Prove that (1-cos²A)cosec²A=1
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Anjali Anand 1 year, 6 months ago
L.H.S
(1- COS2A ) COSEC2A = SIN2 A (1/SIN2A) (SIN2A + COS2 A =1) COSEC A = 1/ SIN A
=1
HENCE PROVED
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