Prove cosxtanx = sinx

Answers

Answer 1
cos(x)tan(x)

Transform the expression by using the formula for tan theta:
tan(t)= sin(t)/cos(t)

cos(x)= sin(x)/cos(x)

Cancel out the cos(x) since it’s on both sides

Final answer : sin(x)

cos(x)tan(x) is equal to sin(x)

Related Questions


David is saving up money to buy a new car. He had $1,350 saved up 4 months ago, and now has $2,150. He adds the same amount of money each month

Answers

Answer:

David is saving up money to buy a new car. He had $1,350 saved up 4 months ago, and now has $2,150. He adds the same amount of money each month

Step-by-step explanation:

I'm not clear on your actual question, but I'm guessing you want to know how much money he has saved each of the last four months.

2150 - 1350 = $800 saved over the past four months

$800 / 4 months = $200 saved per month

Identify and describe the error in the incorrect counselor's work.

Answers

Answer:

?????????

Step-by-step explanation:

?????????

Multiply −47(−35)(−73). Simplify your answer.

Answers

Answer:

-47(-35)(-73)

1645×-73

-120 085

ans: -120 085

Answer:

-47(-35)(-73)

1645×-73

-120 085

ans: -120 085

Step-by-step explanation:

A swimming pool is shaped like a cylinder with a radius of 15 feet and a height of 6 feet

Answers

Answer:

4239 cubic feet

Step-by-step explanation:

V=[tex]\pi[/tex][tex]r^{2} *h[/tex]

V=3.14*225*6

V=3.14*1350

V=4239

Round 2.77247497243 to the nearest millionth.

Answers

Answer:   2.7725

Step-by-step explanation:

Answer:

2.7725

Step-by-step explanation:

En una prensa hidráulica, el pistón pequeño tiene un diámetro de 12 cm y el pistón grande tiene un diámetro de 3 m ¿Qué fuerza se requiere aplicar en el pistón pequeño para levantar un peso de 7848 N con el pistón grande?

Answers

Answer:

i dont know what is that language

STEP BY STEP PLEASE
If the perimeter of square 3 is 36 units and the perimeter of square 2 is 48 units, what is the area of square 1?

Answers

We can find the side length of square 3 by dividing by 4, which is 9.

Then, we find the side length of square 2 by dividing it by 4, which is 12.

To find the AREA of square 1, we do a^2+b^2=c^2. This is basically adding up area of square 1 and square 2 to get square 3.

a^2+b^2=c^2
9^2+12^2=c^2
81+144=225

So the area is 225 units.

Answer:

225

Step-by-step explanation:

length of side in square 3 = 36/4

=9

length of side in square 2 = 48/ 4

= 12

using pythagorus theorem you can find side of square 1

take the triangle between 3 and 2

9^2 + 12^2 = length of side 1^2

81 + 144 = l^2

225 = l^2

l = 15

therefore length of side 1 is 15

area of square 1 = 15^15

area = 225 square units

hope this helped

ask if you didn't understand something or you think i am wrong:)

What value of x makes this equation true? 2/3x - 5 = 1/6x + 3 ​

Answers

Answer:

D(16)

Step-by-step explanation:

2/3x-5=1/6x+3

Multiply on both sides by 6

4x-30=x+18

Change its sign and move the variable to the left hand side

4x-x-30=18

4x-30=x+18

4x-x=18+30

3x=18+30

Add the numbers

3x=48

Divide both sides

x=16

Please help!! This is urgent!!

Answers

-8/5 is the correct answer
8\5 is the answer hope it helps

An anchor is released from a boat and begins sinking. Its
velocity after it hits the water can be expressed as –10 feet
per second. Where is the anchor with respect to the surface
9 seconds after it hits the water?

Answers

you multiply -10 and nine and you get -90 hope this helps.

Step-by-step explanation:

9. Find the value of x.

(look at the picture)

Answers

Answer:

use the fact that triangles only have room for 180 degrees inside, so all the angles must add up to 180, no more, no less. You can also jsut insert the options for x values until you find the right one(shouldnt take too long).

Step-by-step explanation:

At janices age she is not only 5 times older than ross, but she is 28 years older than ross. How old is janice?

Answers

Answer:

35 years old

Step-by-step explanation:

Let Janice's age = j.

Let Ross's age = r.

j = 5r

j = r + 28

Set the equations equal to each other.

5r = r + 28

4r = 28

r = 7

j = 5r

j = 5(7)

j = 35

Answer: 35 years old

3(x+5) - 3 = 2(3x + 1) - 3
how many solutions does this equation have?

Answers

Answer:

Step-by-step explanation:

1 solution: x=13/3

Melanie's fruit punch recipe calls for 6 cups of apple juice for every 3 cups of carrot juice.
How many cups of carrot juice are used for each cup of apple juice?

Answers

Answer:

1/2 cup of carrot juice for each cup of apple juice.

Step-by-step explanation:

The ratio of carrot juice to apple juice is 3:6

Also written as 1:2

1/2 cup of carrot juice per 1 cup of apple juice

Which statement describes a unit rate?
A.Alex eats 3 apples.
B.Kyle runs 3 miles over 2 days.
C. Zack reads 3 pages of his book per minute. D.Michael adds 3 cups of sugar for every 2 cups of flour​

Answers

Answer:

c. 3 pages per minute

.......

Write the equation of the line in fully simplified slope intercept form”

Answers

Answer:

I think y=-5 , x = 3

Answer:

y = 5/3x - 5

Step-by-step explanation:

Slope = rise / run

The distance between two points is 5 up and 3 right. Hence, 5/3x is the slope.

-5 is where the line crosses the y axis, making it the y-intercept.

2. Nike and Vans shoe stores are having a sale! (If needed, round to the 100ths place. i.e. like money)
Original Price: $42.50
SALE- 25% OFF
Original Price: $55.75
SALE - 40% OFF
a) What is the discount dollar amount for each shoe?
Nike :
Vans
b) What is the final sale price of each shoe?
Nike :
Vans :

Answers

Answer:

a)

Nikes: $ 10.63

Vans: $ 22.3

b)

Nikes: $ 31.88

Vans: $ 33.45

Step-by-step explanation:

a)

Nike: 42.50 x .25  =  10.625

Vans: 55.75 x .4  = 22.3

b)

Nikes: 42.50 - 10.625 = 31.875

Vans: 55.75 - 22.3 = 33.45

Answer:

Step-by-step explanation:

a)

Nikes: $ 10.63

Vans: $ 22.3

b)

Nikes: $ 31.88

Vans: $ 33.45

Step-by-step explanation:

a)

Nike: 42.50 x .25  =  10.625

Vans: 55.75 x .4  = 22.3

b)

Nikes: 42.50 - 10.625 = 31.875

Vans: 55.75 - 22.3 = 33.45

help due soon and really need the grade

Answers

I would go out on a limb and say it’s A

Alex needs to fill up his fish tank with water. If the tank is 8 wide,9 long and 12 tall, how much water is required to fill the tank ?

Answers

Answer:

864 gallons, or whatever measurement, of water are required.

Step-by-step explanation:

You just have to find the volume of the fish tank, which is length x width x height. So, 8 x 9 x 12 which equals 864.

864 because 8x9=72 and 72x12= 864

convert the following to fraction :
i) 7.028
ii) 3.432
plz solve ​

Answers

Answer:

467y6y

66 43

T68999

56 9

Step-by-step explanation:

Gftghhcryihfghobfascho

Math problem, need help

Answers

Answer:

(7-3i)

Step-by-step explanation:

You add them together so 3+4 and 2i + - 5i but since the 5 is negative it would be negaitive

help!!!i need it quick

Answers

Answer:

A linear function is written as:

y = a*x + b

Where a is the slope and b is the y-intercept.

An exponential equation is written as:

y = A*(r)^x

Where A is the initial quantity and r is the rate of growth.

If a and A are both positives, the similar characteristic of both types of functions is that as x increases, then the value of y will also increase. Then both functions are increasing functions.

They are different in how they increase, while a linear function increases at a constant rate, an exponential function increases slow at the beginning and really fast as x increases, as you can see in the image below where we compare the two types of functions, the green one is the linear function, and the blue one is the exponential function.

Can someone tell me the equation of this graph
1. f(x)=1/4x + 4
2. y=1/2x + 4
3. y=2x + 4
4. f(x)= - 2/3x + 4

Answers

Answer:

3. y=2x + 4

Step-by-step explanation:

We know that b is 4 because of the point (0,4)

Now count the slope by using rise over run

We go up 2 and over 1 so the slope is 2

There are twelve doughnuts in a dozen. How many doughnuts are there in ten dozen?

Answers

I’m think it’s 120 since
One dozen =12
You would multiply it by 10
10x12=120

A system of inequalities can have no solution?
a)true
b)false

Answers

Answer:

True

Step-by-step explanation:

0.2(10-5c)=5c-16


answer correctly or reported

Answers

Answer:

c=3

Step-by-step explanation:

0.2(10-5c)=5c-16

2 - 1c = 5c - 16

2 = 6c - 16

18 = 6c

3 = c

Please help with 2 and 3!! I´ll give brainly!!

Answers

Answer:

2 and 16

Step-by-step explanation:

Mindy looks outside her window and sees limp tomato plants in the garden. She quickly waters the plants, and by the end of the day, the plants are upright with firm stems. How did watering the tomato plants straighten the stems?

Answers

Answer:

Do you have options.

If not I am guessing because the roots sucked the water up distributing it throughout the entire plant making it hydrated and strong to stand.

Step-by-step explanation:

Find the Sum of this equation

Answers

Answer:

its the yellow one

Step-by-step explanation:

Answer:

3y3 + 7y2 - 4y +3  yellow

Step-by-step explanation:

Find the slope

(3, 8) and (2, 10)

Answers

Answer:

m = -2

Step-by-step explanation:

Let (x1 , y1 ) = ( 3 , 8) and (x2 , y2 ) = ( 2 , 10)

Now

slope (m)

= y2 - 1 / x2 - x1

= 10 - 8 / 2-3

= - 2

hope it helps :)

Answer:

m = -2

Step-by-step explanation:

Other Questions
Which of the following is an advantage of meiosis and sexual reproduction?A. Meiosis ensures that offspring will not inherit any genetic disorders.B. Meiosis ensures that offspring are genetically identical as their parents.C. Meiosis ensures that offspring will have identical phenotypes to their parents.D. Meiosis ensures a wider variety of genetic variation. A student examines a periodic table.Which inferences about sodium (Na) are true? Which part of the kite catches the wind?a Coverb Framec Taild Kite string Use the question words in parentheses to form a question: Roger's grandfather had a small farm in the county (whose) Lakeland Chemical manufactures a product called Zing. Direct materials are added at the beginning of the process, and conversion activity occurs uniformly throughout production. The beginning work-in-process inventory is 60% complete with respect to conversion; the ending work-in-process inventory is 20% complete. The following data pertain to May: Units Work in process, May 1 15,000 Units started during May 60,000 Units completed and transferred out 68,000 Work in process, May 31 7,000 Total Direct Materials Conversion Costs Costs: Work in process, May 1 $41,250 $16,500 $24,750 Costs incurred during May 234,630 72,000 162,630 Totals $275,880 $88,500 $187,380 Using the weighted-average method of process costing, the total costs remaining in work in process on May 31 are: What roles did women take on during the Civil War? A square painting has a side length of 13 inches.What is the area of the painting?The area of the painting issquare inches. what is the formula for carbon decabromide? 1 inch x 3/4 inch x 1/2 inch What good will result from each caged bird's singing in Angelou's andDunbar's poems? In other words, why do they continue to sing? * The least common denominator is the least common multiple of the _______ of the factions fill in the blank Two vectors with magnitudes of 6 and 9 have a dot product equal to 27. Find the angle between the vectors. *specific heat of tin: 230 | specific heat of carbon: 709*Which will provide more thermal energy and why?2 kg of tin at 50 Cor2 kg of carbon at 50 C Sensational Subjects. Ask ten people the following questions:1. Do you believe in large ape-like animals such as Bigfoot?2. Why or why not?Record their answers. Organize your data, and write a short paper about people's willingness to believe in sensational subjects. opposite word of confident what is the best explamation for why the hubble space telescopes needed cameras barbra has two cherry pies.She cuts each pie into quarters.How many slices of cherry pie does barbra have spanish people help please HELP ASAP PLS MY MATH TEACHER IS HER 3) A child has a toy balloon with a volume of 1.8 liters. The temperature of the balloon when it was filled was 22 C and the pressure was 1.0 atm. If the child were to let go of the balloon and it rose into the sky where the pressure is 0.86 atm and the temperature is 8 C, what would the new volume of the balloon be?