cosec^2 x= 2cotx

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Please find below the solution/link to the asked query:

cosec2x=2cotxuse formula cosec2x=1+cot2x 1+cot2x=2cotxcot2x-2cotx+1=0cotx-12=0cotx=1cotx=cot45°=cotπ4x=+π4      Answer


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