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https://math.answers.com/math-and-arithmetic/Cos_x_sin_x_is_equal_to

Cos x sin x is equal to? - Answers

The Wikipedia article "Trigonometric identities" lists the following identity (in which I am simply changing variables): cos a sin b = (1/2)[sin(a+b) - sin(a-b)] Here, since the two angles are the same, this simplifies to: cos a sin a = (1/2)[sin(2a) - sin(0)] = (1/2)sin(2a)



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Cos x sin x is equal to? - Answers

https://math.answers.com/math-and-arithmetic/Cos_x_sin_x_is_equal_to

The Wikipedia article "Trigonometric identities" lists the following identity (in which I am simply changing variables): cos a sin b = (1/2)[sin(a+b) - sin(a-b)] Here, since the two angles are the same, this simplifies to: cos a sin a = (1/2)[sin(2a) - sin(0)] = (1/2)sin(2a)



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https://math.answers.com/math-and-arithmetic/Cos_x_sin_x_is_equal_to

Cos x sin x is equal to? - Answers

The Wikipedia article "Trigonometric identities" lists the following identity (in which I am simply changing variables): cos a sin b = (1/2)[sin(a+b) - sin(a-b)] Here, since the two angles are the same, this simplifies to: cos a sin a = (1/2)[sin(2a) - sin(0)] = (1/2)sin(2a)

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      The Wikipedia article "Trigonometric identities" lists the following identity (in which I am simply changing variables): cos a sin b = (1/2)[sin(a+b) - sin(a-b)] Here, since the two angles are the same, this simplifies to: cos a sin a = (1/2)[sin(2a) - sin(0)] = (1/2)sin(2a)

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