Math, asked by yani2431, 1 year ago

Cot theta-tan theta=2 cos^2 theta-1/sin thetaÃ—cos theta

Answers

Answered by sandy1816

1

Step-by-step explanation:

cotA-tan A

=cosA/sinA-sinA/cosA

=cos²A-sin²A/sinAcosA

=cos²A-1+cos²A/sinAcosA

=2cos²A-1/sinAcosA

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