Level:
Project ID:
9000046608
Accepted:
1
Clonable:
0
Easy:
0
Identify an inequality which is true for both
\(x = \frac{\pi } {6}\) and
\(x = -\frac{\pi }{6}\).
\(\cos x > 0\)
\(\sin x > \frac{1}
{2}\)
\(|\mathop{\mathrm{tg}}\nolimits x| < \frac{1}
{2}\)
\(\mathop{\mathrm{cotg}}\nolimits x\leq - 1\)