Review question

# Can we solve these trig equations for $x, y$ and $z$? Add to your resource collection Remove from your resource collection Add notes to this resource View your notes for this resource

Ref: R5723

## Question

Find all the angles between $0^\circ$ and $180^\circ$ which satisfy the equations

1. $\tan (x + 60^\circ) = 1$,
2. $8 \sin y + 3 \sec y = 0$,
3. $3 \sin^2 z - 8 \sin z \cos z - 3 \cos^2 z = 0$.