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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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