Math, asked by mdmohtasimktr02, 1 year ago

cot4+cot2=cosec4-cosec2

Answers

Answered by Anonymous

15

Answer:

Step-by-step explanation:

see this............║║║

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Answered by shaikhtaseen10

0

Alternative method

Step-by-step explanation:

RHS = cosec4 - cosec2

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

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

= cot2 A + cot4 A = LHS

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