AM-974

Trigonometric equations

A Math · Secondary 3 · Hard · Trigonometric equations

Solve for

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

:

\tan(3x-30^\circ)=\sqrt{3}

.

$30^\circ,90^\circ,150^\circ,210^\circ,270^\circ,330^\circ$
$60^\circ,120^\circ,240^\circ,300^\circ$
$30^\circ,150^\circ,210^\circ,330^\circ$
$60^\circ,180^\circ,300^\circ$

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