Math, asked by sarthakchourey3s, 11 months ago

prove that : (sec theta + tan theta - 1) / (tan theta - sec theta -1) = sec theta + tan theta

Answers

Answered by sandy1816

5

Step-by-step explanation:

secA+tanA-1/tanA-secA+1

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

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

=secA+tanA

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