Math, asked by junaidqureshi34, 3 months ago

prove that seco +tan o = coso apon 1-Sino

Answers

Answered by sandy1816

5

Step-by-step explanation:

secA+tanA

=1+sinA/cosA

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

=(1-sin²A)/cosA(1-sinA)

=cos²A/cosA(1-sinA)

=cosA/1-sinA

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