Question

If cosecA=√2 find the value of tan 2 A-1

Answer 1

Answer:

24-1.......................!

Answer 2

Answer:

Cosec A= 1/sin A

root 2 = 1/ sin A

sin A = 1/root 2

A = 45

tan 2(45) -1

tan 90 - 1

infinity..