Can someone please help me with this problem? I'm supposed to solve for x
(not sure if I have to use cos, sin, or tan)

Question

anonymous · Answer

attachment

dumbcow · Answer

SOH CAH TOA

since "x" is opposite side to 35 degree angle and 20 is hypotenuse
you will use the sine function

--> sin(35) = x/20
--> x = 20*sin(35)

anonymous · Answer

@dumbcow 
sorry it took a bit for me to reply, my computer is slow ;-;
Anyways would it be 8.56?

dumbcow · Answer

no should be greater than 10

make sure your calculator is in degree mode

anonymous · Answer

I don't actually have a calculator (I lent mine to my little brother, it got lost) so Ive been using my phone calculator...

dumbcow · Answer

that should still work, the computer has many calculators you can use :)

dumbcow · Answer

http://www.wolframalpha.com/input/?i=20*sin%2835%29

anonymous · Answer

So 11.47?