Math, asked by madhuragarge4999, 11 months ago

under root 1-sinA/1+sinA=secA-tanA

Answers

Answered by deepak12145
9

Step-by-step explanation:

rationalise by 1-sinA,we get

√(1-sinA)^2/√cos^2A

1-sinA/cosA

1/cosA-sinA/cosA

secA-tanA

RHS proved

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