Level:
Project ID:
9000046609
Accepted:
1
Clonable:
0
Easy:
0
Identify an inequality which is true for every
\(x\) from the
interval \(\left ( \frac{\pi }{4}; \frac{3\pi }
{4}\right )\).
\(\sin x\geq \frac{\sqrt{2}}
{2} \)
\(\mathop{\mathrm{tg}}\nolimits x > 1\)
\(\cos x > 0\)
\(\mathop{\mathrm{cotg}}\nolimits x\geq \frac{\sqrt{3}}
{3} \)