Question

Please solve this Question. You can open the image to see the question clearly.​

Answer 1

Step-by-step explanation:

First convert all tan, cosec terms in sin and cos terms

Then by solving we get 1/sin2a-cos2a (2 is in power not in multiplication)

Then, taking - common it become the identity of cos 2a =cos2a-sin2a

By taking reciprocal we vet the proof

Thank you