Math, asked by Sumitsadhu, 2 months ago

prove that sinA -cosA+1/sinA+cosA-1=1+sinA/cosA

Answers

Answered by baranishanmu

1

Step-by-step explanation:

L.H.S.

1+sinA

cosA

+

cosA

1+sinA

=

cosA(1+sinA)

cos

2

A+(1+sinA)

2

=

cosA(1+sinA)

cos

2

A+1+sin

2

A+2sinA

=

cosA(1+sinA)

2+2sinA

=

cosA

2

=2secA =

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