AM-988

Trigonometric equations

A Math · Secondary 3 · Medium · Trigonometric equations

Solve the equation

3\sin x-2=0

for

0^\circ\le x\le360^\circ

.

$41.8^\circ,\ 138.2^\circ$ (to 1 d.p.)
$41.8^\circ,\ 318.2^\circ$ (to 1 d.p.)
$48.2^\circ,\ 131.8^\circ$ (to 1 d.p.)
$221.8^\circ,\ 318.2^\circ$ (to 1 d.p.)

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