9000032112
Level:
A
Evaluate
\(\cos \left ( \frac{\pi }{3}\right )\).
\(\frac{1}
{2}\)
\(\frac{\sqrt{3}}
{2} \)
\(-\frac{\sqrt{3}}
{2} \)
\(\sqrt{3}\)
\(-\frac{\sqrt{2}}
{2} \)
\(\frac{\sqrt{2}}
{2} \)
Sine, Cosine, Tangent, and Cotangent
9000032010
Level:
A
Evaluate
\(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{4}\right )\).
\(1\)
\(\frac{\sqrt{2}}
{2} \)
\(0\)
\(-\frac{\sqrt{3}}
{3} \)
\(\frac{\sqrt{3}}
{3} \)
undefined
9000032113
Level:
A
Evaluate
\(\sin \left ( \frac{\pi }{6}\right )\).
\(\frac{1}
{2}\)
\(\frac{\sqrt{2}}
{2} \)
\(-\frac{1}
{2}\)
\(\frac{\sqrt{3}}
{2} \)
\(\sqrt{3}\)
\(0\)
9000032011
Level:
A
Evaluate
\(\mathop{\mathrm{tg}}\nolimits \left ( \frac{\pi }{3}\right )\).
\(\sqrt{3}\)
\(0\)
\(-\sqrt{3}\)
\(-\frac{\sqrt{3}}
{3} \)
\(-\frac{\sqrt{2}}
{2} \)
\(\frac{\sqrt{3}}
{3} \)
9000032114
Level:
A
Evaluate
\(\cos \left ( \frac{\pi }{6}\right )\).
\(\frac{\sqrt{3}}
{2} \)
\(\frac{\sqrt{2}}
{2} \)
\(-\frac{1}
{2}\)
\(-\frac{\sqrt{3}}
{2} \)
\(0\)
\(-\frac{\sqrt{2}}
{2} \)
9000032013
Level:
A
Evaluate
\(\mathop{\mathrm{tg}}\nolimits \left ( \frac{\pi }{6}\right )\).
\(\frac{\sqrt{3}}
{3} \)
\(0\)
\(-\sqrt{3}\)
\(-\frac{\sqrt{3}}
{3} \)
\(\frac{\sqrt{2}}
{2} \)
\(-\frac{\sqrt{2}}
{2} \)
9000033801
Level:
B
Which of the numbers in the list is a period (not necessarily the smallest period) of the
function \(m\colon y =\cos x\)?
\(4\pi \)
\(\pi \)
\(5\pi \)
\(3\pi \)
9000032014
Level:
A
Evaluate
\(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{6}\right )\).
\(\sqrt{3}\)
\(-\frac{1}
{2}\)
\(-\frac{\sqrt{3}}
{2} \)
\(0\)
undefined
\(-\sqrt{3}\)
9000033802
Level:
B
Which of the numbers in the list is a period (not necessarily the smallest period) of the
function \(n\colon y =\mathop{\mathrm{tg}}\nolimits x\)?
\(3\pi \)
\(\frac{\pi }{2}\)
\(- \frac{\pi } {2}\)
\(\frac{3\pi }
{2}\)
9000032101
Level:
A
Evaluate
\(\sin \left ( \frac{\pi }{2}\right )\).
\(1\)
\(-\frac{\sqrt{2}}
{2} \)
\(-\sqrt{3}\)
\(\sqrt{3}\)
\(\frac{\sqrt{2}}
{2} \)
\(\frac{\sqrt{3}}
{3} \)