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Which angles are represented by the same point on the unit circle as pi/4? Select all that apply.

Which angles are represented by the same point on the unit circle as pi/4? Select-example-1

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The function is given as ,


f(x)=\cos x.

According to the trigonomteric values of cos ,


\cos \text{ 0}=1
\cos \text{ }(\Pi)/(2)=0
\cos \Pi=-1
\cos (3\Pi)/(2)=0

The graph suitable for the cos x is, the option c which satisfy the above conditions.

Hence the correct grapha and option is c.

User Baumannalexj
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