AM-986

Trigonometric equations

A Math · Secondary 3 · Medium · Trigonometric equations

1. $60^\circ,120^\circ$
2. $30^\circ,150^\circ$
3. $45^\circ,135^\circ$
4. $60^\circ$ only

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.