Question

find the value of each variable using sine and cosine. Round your answer to the nearest tenth.

Answer 1

cos 36° = r/5

5*cos 36° = r

4.0450849719 = r

4.0 = r

sin 36° = s/5

5*sin 36° = s

2.9389262615 = s

2.9 = s

Done!