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Question

The equation (sin θ + Π)=-sin θ for all θ


A

True

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B

False

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Solution

The correct option is A

True


sin (π + x)
sin π cos x + sin x + cos π
(cos π=1and sin π=0)
(0) cosx + (-1) sin x
-sin x
Hence, sin(θ + Π)=-sin θ for all θ


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