8. Verify the following identity. 1-cos 20 = tan osin 20 I

Question

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Answer 1

Answer #1

Solution. To verify I-COS2W = tanco sin 20 Consider, LHS-I-COS2w 2 We know that, 1-60520 = 2 sin - 2 sin? (26) 2 LHS asino -

Answer 2

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