Question

If cos=3/5,evaluate SinA&CosA. ​

Answer 1

Answer:

Step-by-step explanation:

Given - cos = 3/5 = base/hyp.

base = 3 and hyp. = 5

We know that -

(hyp)² = (base)² + (perp.)²

(5)²=(3)²+ (P)²

25 = 9 + (P)²

25 - 9 = (P)²

√16 = P

4 = perp.

Sin A = P/H = 4/5

cos A = B/H = 3/5