Question

ПОМОГИТЕ ПОЖАЛУЙСТО
$2cos \frac{3\pi}{4} tg \frac{\pi}{3}$
$7tg \frac{\pi}{6} ctg \frac{\pi}{6}$
$2sin \frac{\pi}{6} tg \frac{\pi}{4}$
$3tg \frac{\pi}{4} tg \frac{\pi}{3}$
$4ctg \frac{\pi}{4} sin \frac{\pi}{3}$
$12sin \frac{\pi}{3} cos \frac{\pi}{3}$
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Answer 1

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