Question

Solve for x. Round your answer to 2 decimal places.

Answer 1

the bottom number is a 12

Answer 2

I give medals :)

Answer 3

So we know that cos is adj/hyp.

Answer 4

yes

Answer 5

Thus: \[\cos(51)=\frac{ 12 }{ x }\]

Answer 6

51 degrees that is

Answer 7

You can then switch the position of 'x' and cos(51). Giving you \[x = \frac{ 12 }{ \cos(51) }\]

Answer 8

Plug that into your handy dandy calculator and you will get 19.07 (rounded)

Answer 9

Hope this helps :)

Answer 10

Thank-You so much!

Answer 11

No Problem!