AM-2618

Trigonometric equations

A Math · Secondary 4 · Medium · Trigonometric equations

Solve

2\sin x=\cos x

for

x

in the interval

0^\circ \le x \le 360^\circ

.

$26.6^\circ,\ 206.6^\circ$
$63.4^\circ,\ 243.4^\circ$
$26.6^\circ,\ 333.4^\circ$
$153.4^\circ,\ 333.4^\circ$

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