Question

if sec2A=cosec(A-30), then find A​

Answer 1

Answer:

Sec 2A=cosec (A-30)

Cosec(90-2A)=cosexA-30

Cosec cancel from both sides

A=40

Answer 2

Hi buddy

Here is your answer

2a +a= 90+30

3a=120

A=120/3

A=40