Find the coordinates of the point on the unit circle corresponding to .

MATHEMATICS · Single correct · A Level · Mathematics · Trigonometry · Trigonometry

Problem

Find the coordinates of the point on the unit circle corresponding to θ=90∘θ = 90^{\circ}. (a) (1,0)(1,0) (b) (22,22)\left(\dfrac{\sqrt{2}}{2},\dfrac{\sqrt{2}}{2}\right) (c) (0,1)(0,1) (d) (0,−1)(0,-1)

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