Question

$5sin\frac{\pi}{6} +3tg\frac{\pi }{4} -5cos\frac{\pi }{4}-10ctg\frac{\pi }{4}$

Answer 1

Пошаговое объяснение:

5sinπ/6+3tgπ/4−5cosπ/4−10ctgπ/4 = 5×1/2 + 3×1 -5×\|2/2 - 10×1 = 5/2 + 3 - 5\|2/2 - 10 = 5/2 - 7 - 5\|2/2 = -9/2 - 5\|2/2 = (-9+5\|2)/2 ≈ -8,04