Question

1.ifsinA=3÷4 calculate COSA.​

Answer 1

Step-by-step explanation:

sinA=3/4=P/H

B²+P²=H²

B²=16-9

B=√7

cosA=B/H=√7/4

Answer 2

Step-by-step explanation:

1.ifsinA=3÷4 calculate COSA.