An angle is located in the fourth quadrant

MATHEMATICS · Single correct · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

An angle α\alpha is located in the fourth quadrant. Which of the following statements is correct? (a) sin⁡α<0 and tan⁡α>0\sin\alpha < 0 \text{ and } \tan\alpha > 0 (b) sin⁡α>0 and tan⁡α<0\sin\alpha > 0 \text{ and } \tan\alpha < 0 (c) sin⁡α<0 and cos⁡α>0\sin\alpha < 0 \text{ and } \cos\alpha > 0 (d) sin⁡α>0 and cos⁡α>0\sin\alpha > 0 \text{ and } \cos\alpha > 0

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