Math, asked by PrateekKishore4658, 10 months ago

Cot - tanthita = 2cos2thita -1/sin thita costhita

Answers

Answered by sandy1816

0

Step-by-step explanation:

cotθ-tanθ

=cosθ/sinθ-sinθ/cosθ

=cos²θ-sin²θ/sinθcosθ

=cos²θ-1+cos²θ/sinθcosθ

=2cos²θ-1/sinθcosθ

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