The point lies on the unit circle and corresponds to an angle

MATHEMATICS · Subjective · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

The point P ⁣(−45, 35)P\!\bigl(-\dfrac{4}{5},\,\dfrac{3}{5}\bigr) lies on the unit circle and corresponds to an angle θ\theta. Determine: (i) tan⁡θ\tan\theta, (ii) sec⁡θ\sec\theta.

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