Question

cosec4 A- cosec2 A = cot4 A + cot2 A​

Answer 1

Step-by-step explanation:

hope it will helps u.....

Answer 2

Answer:

here is my answer hope it will help you

Cosec4A - cosec2A = cot4 A + cot2 A

LHS = (1 + cot2 A)2 - (1 + cot2 A)

= 1 + 2cot2 A + cot4 A - 1 - cot2 A

= cot2 A + cot4 A

= RHS

Hence, Cosec4A - cosec2A = cot4 A + cot2 A