Math, asked by sweety44097, 2 months ago

prove that sin2

y x cot y x cosec y = cos y​

Answers

Answered by Anonymous
6

Question

sin^2y x cot y x cosec y = cos y.

Solution

L.H.S.

=> sin^2y x cot y x cosec y .

=> sin^2y ×cos y/sin y × 1/sin y.

sin y will be cancelled out.

=> cos y.

=> R.H.S.

Formula used.

  • cot y= cos y/sin y.
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