Q. 1 B5.0( 1 Vote )

# Sketch the graphs of the following trigonometric functions :g(x) = cos

We know that f (x) = cos x is a periodic function with period 2π.

g (x) = cos (x + π/4) is a periodic function with period π. So, we will draw the graph of g (x) = cos (x + π/4) in the interval [0, π]. The values of g (x) = cos (x + π/4) at various points in [0, π] are listed in the following table:

By plotting the above points, we obtain the required curve.

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