Math, asked by ymdmy933, 2 months ago

1.prove that cosecA (1-cosA) ( cosecA +cotA) =1​

Answers

Answered by ankitakenganur555
0

Answer:

cosecA (1-cosA) ( cosecA +cotA) =1

lhs=cosecA (1-cosA) ( cosecA +cotA)

=(cosecA-cosecAcosA) ( cosecA +cotA)

=(cosecA-cosA/sinA) ( cosecA +cotA)

=(cosecA-cotA) ( cosecA +cotA)

=(cosec^2A-cot^2A)

=1. (1+cot^2A=cosec^2A).

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