Mathematics

Mathematics

Problem

Which of the following identities correctly describes the even–odd property of the sine function? a) sin⁡(−θ)=−cos⁡θ\sin(-\theta)=-\cos\theta b) sin⁡(−θ)=sin⁡θ\sin(-\theta)=\sin\theta c) sin⁡(−θ)=−sin⁡θ\sin(-\theta)=-\sin\theta d) sin⁡(−θ)=cos⁡θ\sin(-\theta)=\cos\theta

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