Math, asked by harshitamulani1712, 7 months ago

prove that, cos(90-theta).tan(90-theta)=costheta

Answers

Answered by choudharyadarsh777

2

Step-by-step explanation:

Taking LHS,

Cos (90-theta).tan(90-theta)

=sin theta.cot theta

=sin theta. (cos theta/sin theta)

[As cot theta= cos theta/sin theta]

= cos theta = RHS

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