Math, asked by Jleena1466, 10 months ago

Prove that tan A + sec A -1 / tan A -sec A +1 ==) sin A +1 / cos A

Answers

Answered by sandy1816

2

Step-by-step explanation:

tanA+secA-1/tanA-secA+1

=(tanA+secA)-(sec²A-tan²A)/(tanA-secA+1)

=(secA+tanA)-(secA-tanA)(secA+tanA)/(tanA-secA+1)

=(secA+tanA)(1-secA+tanA)/(tanA-secA+1)

=secA+tanA

=1+sinA/cosA

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