Math, asked by gokul29718, 5 months ago

PLEASE VERY URGENT BE CRRECT
prove that cos/1+sina+1+sina/cosa=2sinsqa+2cossqa/cosa

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Answered by devindersaroha43

0

Answer:

Step-by-step explanation:

Answer

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Answer:

:

(1+sinA)(1-sinA)/cosA(1-sinA)

=sin2A/cosA(1-sinA)

=cos2A/cosA(1-sinA)

=cosA/(1-sinA)

=1/1/cosA-sinA/cosA

=1/secA-tanA

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