Which one of the following ordered pairs can represent the trigonometric values of…

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

Problem

Which one of the following ordered pairs (sin⁡θ,cos⁡θ)(\sin\theta,\cos\theta) can represent the trigonometric values of the same acute angle θ\theta? (a) (12,  12)\left(\dfrac{1}{2},\;\dfrac{1}{2}\right) (b) (35,  1625)\left(\dfrac{3}{5},\;\dfrac{16}{25}\right) (c) (35,  45)\left(\dfrac{3}{5},\;\dfrac{4}{5}\right) (d) (25,  45)\left(\dfrac{2}{5},\;\dfrac{4}{5}\right)

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