9000032105
Level:
A
Evaluate
\(\cos \left ( \frac{\pi }{2}\right )\).
\(0\)
\(- 1\)
\(\frac{\sqrt{3}}
{3} \)
\(\sqrt{3}\)
\(1\)
\(-\frac{\sqrt{3}}
{3} \)
Sine, Cosine, Tangent, and Cotangent
9000032003
Level:
A
Evaluate
\(\mathop{\mathrm{tg}}\nolimits \left (\frac{5\pi }
{2}\right )\).
undefined
\(1\)
\(- 1\)
\(\sqrt{3}\)
\(\frac{\sqrt{2}}
{2} \)
\(-\frac{\sqrt{3}}
{3} \)
9000032106
Level:
A
Evaluate
\(\cos \left (0\right )\).
\(1\)
\(\frac{\sqrt{3}}
{3} \)
\(\sqrt{3}\)
\(- 1\)
\(-\frac{\sqrt{3}}
{3} \)
\(0\)
9000032004
Level:
A
Evaluate
\(\mathop{\mathrm{tg}}\nolimits \left (-\frac{3\pi }
{2}\right )\).
undefined
\(0\)
\(1\)
\(-\frac{\sqrt{3}}
{3} \)
\(- 1\)
\(\frac{\sqrt{3}}
{3} \)
9000032107
Level:
A
Evaluate
\(\cos \left (\pi \right )\).
\(- 1\)
\(\sqrt{3}\)
\(\frac{\sqrt{3}}
{3} \)
\(-\sqrt{3}\)
\(-\frac{\sqrt{3}}
{3} \)
\(0\)
9000032005
Level:
A
Evaluate
\(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{2}\right )\).
\(0\)
\(-\sqrt{3}\)
\(-\frac{\sqrt{2}}
{2} \)
\(\sqrt{3}\)
\(\frac{\sqrt{2}}
{2} \)
\(1\)
9000032108
Level:
A
Evaluate
\(\cos \left (\frac{-3\pi }
{2} \right )\).
\(0\)
\(-\frac{\sqrt{2}}
{2} \)
\(- 1\)
\(1\)
\(-\frac{\sqrt{3}}
{3} \)
\(\sqrt{3}\)
9000004807
Level:
B
In the following list identify a bounded function.
\(y =\sin x\)
\(y =\mathop{\mathrm{tg}}\nolimits x\)
\(y =\mathop{\mathrm{cotg}}\nolimits x\)
\(y = -\mathop{\mathrm{tg}}\nolimits x\)
9000004801
Level:
B
In the following list identify an even function.
\(y =\cos x\)
\(y =\sin x\)
\(y =\mathop{\mathrm{tg}}\nolimits x\)
\(y =\mathop{\mathrm{cotg}}\nolimits x\)