Question

tg135×sin135°×cos135
допоможіть​

Answer 1

Ответ:

$\tan(135) \times \sin(135) \times \cos(135) = \frac{ \sin(135) }{ \cos(135) } \times \sin(135) \times \cos(135) = { (\sin(135)) }^{2} = {( \frac{ \sqrt{2} }{2}) }^{2} = \frac{1}{2}$