
Grade 11Trigonometry
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

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Last Activity: 4 Years ago

Last Activity: 4 Years ago