Math, asked by gazalanaheed3, 10 months ago

sec a minus one upon sec a + 1 is equal to 1 minus Cos A upon 1 + Cos A

Answers

Answered by ashwanikumar4220

4

Answer:

LHS: secA-1/secA+1

Step-by-step explanation:

(1/cosA) -1 upon (1/cosA) +1

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

=(1-cosA) upon (1+cosA)

=RHS

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