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prove the following identitieswhere the angles involved are aqcute anglesfor which trigonometric ratios are defined cotA-tanA=2cos 2 A-1/sinA*cosA

prove the following identitieswhere the angles involved are aqcute anglesfor which trigonometric ratios are defined
cotA-tanA=2cos2A-1/sinA*cosA

Grade:10

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
3 years ago
576-797_1.PNG

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