Question

11. If sec 2A = cosec(A - 30) where 2A is an acute angle. Find A.​

Answer 1

Answer:

Step-by-step explanation:

Sec 2A=cosec (A-30)

Cosec(90-2A)=cosexA-30

Cosec cancel from both sides

A=40

Answer 2

Answer:

sec 2A = cosec (A-30)

according to formula

cosec(90-2A) = cosec (A-30)

90-2A=A-30

-2A-A=-30-90

-3A=-120

A=40