Math, asked by jangranancy4, 7 hours ago

1/sec a-1 + 1/sec a + 1= cosec²a

Answers

Answered by anshbhogta97077

1

Answer:

Answer

secA+1

secA−1

=

1+cosA

1−cosA

L.H.S:

secA+1

secA−1

=

cosA

1

+1

cosA

1

−1

=

cosA

1+cosA

cosA

1−cosA

=

1+cosA

1−cosA

=R.H.S.

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