Question

Given : sin A=3/5,find:
i) tan A
ii) cos A

Answer 1

SinA=3/5

P/H=3/5

Using pgt

H×H=B×B+P×P

5×5=B×B+3×3

25-9=B×B

B=4

TanA=P/B

3/4

CotA=B/P

4/3