Question

Prove that. cot theta +tan theta =cot theta sec squre theta
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Answer 1

Prove cot theta+tan theta=(cosec theta)(sec theta) by completing the following activity:

LHS=cot theta+tan theta

=(cos theta)/(sin theta)+(square)/(cos theta) =(square +square)/(sin thetaxx co cos theta) =(square)/(sin thetaxx cos theta)

=1/(square)xx1/(square)

=cosec thetaxx sec theta

=RHS :. ... ∴cotθ+tanθ=cosecθ×secθ.0

Answer 2

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