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The measure θ of an angle in standard position is given. Find the exact values of cosθ and sinθ for each angle measure.

2π / 3 radians

User Alpy
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1 Answer

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\cos \theta=\cos (2\pi)/(3)=-\cos (\pi)/(3)=\boxed{-(1)/(2)}\\\\\\\sin \theta=\sin (2\pi)/(3)=\sin (\pi)/(3)=\boxed{(\sqrt 3)/(2)}

User Tim Siegel
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