Math, asked by RidhimDubey, 11 months ago

Cos2A + 1 /1 - Cos2A = Cot^2A

Answers

Answered by sandy1816

4

Step-by-step explanation:

cos2A+1/1-cos2A

=2cos²A-1+1/1-1+2sin²A

=2cos²A/2sin²A

=cot²A

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