Math, asked by vasu4278, 10 months ago

show that (cosec A - cot A)×(cosec A - cot A) = 1-cos A/1+cos A

Answers

Answered by skmsis

2

Step-by-step explanation:

(cosecA -cotA)(cosecA-cotA)

=[(1-cosA)/sinA]²

=[(1-cosA)²/1-cos²A]

=[(1-cosA)²/(1-cosA)(1+cosA)]

=(1-cosA)/(1+cosA)

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