AP

MATHEMATICS · Multi-part · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions

Problem

Let

\theta=\dfrac{17\pi}{6}

. (i) Express

\theta

as an angle in radian measure lying between

0

and

2\pi

. (ii) Determine the signs of

\sin\theta

and

\cos\theta

without using a calculator. (iii) Hence find the exact value of

\sin\theta+\cos\theta

.

Related theory

Browse the problem library