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prove that cosec A + cosec 2A +cosec 2^A...+cosec2^n-1=cot A/2-cot 2^n-1 A

prove that cosec A + cosec 2A +cosec 2^A...+cosec2^n-1=cot A/2-cot 2^n-1 A

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
Dear student

There is an error in writing question, kindly correct and repost or attach an image

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