Question

If cosA=9/41 find 1/sin2A-1/tan2A

Answer 1

1

Explanation:

1/sin2A = cosec2A

1/tan2A = cot2A

1/sin2A - 1/tan2A = cosec2A - cot2A

1/sin2A - 1/tan2A = 1

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Answer 2

Answer:

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Step-by-step explanation:

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