SOLUTION: prove that following is an identity sin (2x) = 2cot x sin2x
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Question 618337
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prove that following is an identity
sin (2x) = 2cot x sin2x
Answer by
jsmallt9(3758)
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What you posted is not an identity. The only way sin(2x) could always be equal to 2cot(x)sin(2x) would be if 2cot(x) was always a 1. 2cot(x) is not always a 1.