Math, asked by anishathakur2212, 4 months ago

sin A- cos A+1/sin A+cos A-1=cos A/1- sinA

Answers

Answered by farhaanaarif84

1

Answer:

LHS=

1−sinA

cosA

+

1+sinA

cosA

=

(1−sin

2

A)

cosA(1+sinA+1−sinA)

=

cos

2

A

2cosA

=

cosA

2

=2secA=RHS

Hence proved.

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