An angle is given as radians.

MATHEMATICS · Multi-part · A Level · Mathematics · Trigonometry · Trigonometry

Problem

An angle is given as

\theta = -\dfrac{43\pi}{8}

radians. (i) Find a positive co-terminal angle between

0^{\circ}

and

360^{\circ}

, giving your answer in degrees. (ii) Identify the quadrant in which the terminal side of

\theta

lies. (iii) Express the positive co-terminal angle found in part (i) in radians between

0

and

2\pi