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The graph of the function, cos x cos (x ...

The graph of the function, `cos x cos (x +2) -cos^2 (x+1)` is

A

a straight line passing through `(0,-sin^(2)1)` with slope 2

B

a straight line passing through (0, 0)

C

a parabola with vertex `(1,-sin^(2)1)`

D

a straight line passing through the point `((pi)/2,-sin^(2)1)` and parallel to the X-axis

Text Solution

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The correct Answer is:
D
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