Question

prove cosec2 theta-cot2theta=1

Answer 1

Answer:

cosec²∅ - cot²∅ = 1

L.H.S = Cosec²∅ - cot²∅

= (1/sin²∅ - cos²∅/sin²∅ )

= ( 1 - cos²∅ / sin²∅ )

= sin²∅ / sin²∅

= 1

L.H.S = R.H.S

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