For which of the following relations between the angles and is always satisfied?

MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry

Problem

For which of the following relations between the angles xx and yy is sin⁡(x−y)=0\sin(x-y)=0 always satisfied? (a) x=y+90∘x = y + 90^{\circ} (b) x=180∘−yx = 180^{\circ} - y (c) x=yx = y (d) x=−yx = -y

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