Question

if Sin a =4/5 find 7+7cot^2a​

Answer 1

Answer:

if Sin a =4/5 find 7+7cot^2a

Answer 2

Hey mate !!

Here is ur Answer ⤵️

Given sin(2A+45)=cos(30−A)

⟹sin(2A+45)=sin(90−30+A)

⟹sin(2A+45)=sin(60+A)

⟹2A+45=A+60

⟹2A−A=60−45

⟹A=15

Hope it helps you ✌️

Thank you ❣️

@Lovehunter