Question

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2x = sin x?
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Answer 1

Step-by-step explanation:

2sin(x) is not equal to sin(2x). One counterexample can be to consider x = pi/2. 2sin(pi/2) = 2, whereas sin(2 * pi/2) = 0. sin(2x) = 2sin(x)cos(x) as an identity, I don't know what you mean with "using sin 2(x) = cos 2(x) = 1".

Answer 2

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