# How do you find the exact values of #costheta# and #sintheta# when #tantheta=5/12#?

##### 2 Answers

Nov 7, 2016

#### Answer:

sinθ=

and cosθ=

#### Explanation:

Draw a right triangle with base 12 and height 5 units with angle

Apply Pythagoras theorem to get hypotenuse= 13 units

Work out sin

and cos

Nov 7, 2016

#### Answer:

#### Explanation:

If

So the hypotenuse