Math, asked by shuklavidushi512, 30 days ago

CotA-cosA/cotA+cosA--cosecA-1/cosecA+1

Answers

Answered by py5024131

2

Answer:

LHS=

cotA+cosA

cotA−cosA

=

sinA

cosA

+cosA

sinA

cosA

−cosA

=

cosA(

sinA

1

+1)

cosA(

sinA

1

−1)

=

sinA

1

+1

sinA

1

−1

=

cosecA+1

cosecA−1

=RHS

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