Sketch the graphs of the following trigonometric functions:(i) fx=cosx – InterviewSolution

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1.	Sketch the graphs of the following trigonometric functions:(i) fx=cosx-π4(ii) gx=cosx+π4(iii) h(x) = cos2 2x(iv) ϕx=2 cosx-π6(v) ψ(x) = cos 3x(vi) ux=cos2x2(vii) f(x) = cos π x(viii) g(x) = cos 2π x
Answer» Sketch the graphs of the following trigonometric functions: (i) $f (x) = \cos (x - \frac{π}{4})$ (ii) $g (x) = \cos (x + \frac{π}{4})$ (iii) h(x) = cos² 2x (iv) $ϕ (x) = 2 \cos (x - \frac{π}{6})$ (v) ψ(x) = cos 3x (vi) $u (x) = \cos^{2} \frac{x}{2}$ (vii) f(x) = cos π x (viii) g(x) = cos 2π x

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