Find the exact values of sin A and cos A. Write fractions in lowest terms.

Question

lovelyharmonics · Answer

attachment

mathmale · Answer

Please at least share what you have already thought of or done in regard to solving this problem.  I'm sure you must know something that you could share.  Once I've seen your first efforts, I'd be delighted to provide you with some guidance towards solving this triangle.

lovelyharmonics · Answer

sin=ops/hyp
18/30 and that would reduce to 3/5ths right?

anonymous · Answer

Sin=opp/hyp. So, it'd be sinA=24/30. and cos=adj/hyp. So, it would be cosA=18/30.

mathmale · Answer

Does this answer your questions entirely?  If not, what more do you need to learn to finish this problem?