Math, asked by THEPARAKHSAXENA1914, 7 months ago

(secA-tanA)² = 1-sinA/1+sinA

Answers

Answered by Anonymous

1

hope it will help you mark as brainlist answer

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Answered by mandeep1055

1

Answer:

(1/cosA-sinA/cosA)^2

(1-sinA)^2/cosA^2

=(1-sinA)^2/(1-cosA^2)

=(1-sinA)(1-sinA)/(1-sinA)(1+sinA)

=(1-sinA)/(1+sinA)

hence proved

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