Question

Photo Attached.

Answer 1

This may be option C.

cos 65 = d/e

Cross multiplying, d = e * cos 65

e = d/(cos 65)

Now, the other options have to be checked.

Answer 2

Do you know the trigonometric identities? @lowcard2

Answer 3

I continue to post them for @lowcard2 to learn.

Answer 4

is this one c?

Answer 5

That is what I think as my work above shows but it would be good to get opinions from @Yttrium and @who helped on that last question.

Answer 6

Yes that is C. :)