Question

Find the exact value of x.
Use the triangle below to answer this question.

Answer 1

Hmm, Cynthia. Can you think of a trig function that involves the ADJACENT SIDE and HYPOTENUSE? :D

Answer 2

What is cos(theta) here?

Answer 3

.707=5x
.707x=5
x=7.0721
is this right?

Answer 4

@petewe where are you?

Answer 5

use cosine of the angle given.
we know cos 45.
solve it....simple

Answer 6

Asolutely :D

Answer 7

Omg!!! Really i got it right?!!!!

Answer 8

Just one thing : 0.707 =5/x not 5x ..
Though you got it right in the second step! :P

Answer 9

OMG!!!!! thanks
@petewe you are the best!!!! I got it now!