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Determine the period, amplitude, and phase shift of[tex]f(x)=3cos2\left \{ x-\frac{\pi }{4}]+1[/tex]

b) List the five critical points for the first cycle. (3 marks)

Use this information to sketch the graph off(x) for two

complete cycles. Determine [tex]\frac{1}{4}[/tex] wave and starting point.

Clearly label the scale on both axes. (3 marks)

Sagot :

->period = [tex]\frac{2\pi }{2} =\pi[/tex]

->a=3, shift [tex]\frac{\pi }{4}[/tex]

->right 1 unit up

Rest are shown in graph

View image Аноним
View image Аноним
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