Free Printable Set 3: Exact Trig Values

1.

$\cos\ \left(-\frac{23\pi}{4}\right)$

a)

$\frac{\sqrt{2}}{2}$

b)

$-\frac{\sqrt{2}}{2}$

c)

$\frac{1}{2}$

d)

$-\frac{1}{2}$

2.

$\sin\left(-135\degree\right)$

a)

$\frac{\sqrt{2}}{2}$

b)

$-\frac{\sqrt{2}}{2}$

c)

$\frac{\sqrt{3}}{2}$

d)

$-\frac{\sqrt{3}}{2}$

3.

$\tan\ \left(-660\degree\right)$

a)

$\frac{\sqrt{3}}{3}$

b)

$-\frac{\sqrt{3}}{3}$

c)

$\sqrt{3}$

d)

$-\sqrt{3}$

4.

$\csc\ \left(-\frac{23\pi}{6}\right)$

a)

$\frac{1}{2}$

b)

$-\frac{1}{2}$

c)

$2$

d)

$-2$

5.

$\tan\ \left(-\frac{21\pi}{4}\right)$

a)

$1$

b)

$-1$

c)

$\sqrt{3}$

d)

$-\sqrt{3}$

6.

$\cot\ 4\pi$

a)

1

b)

-1

c)

0

d)

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7.

$\sec\ \left(-\frac{16\pi}{3}\right)$

a)

$\frac{2\sqrt{3}}{3}$

b)

$-\frac{2\sqrt{3}}{3}$

c)

$2$

d)

$-2$

8.

$\sin\ \left(-840\degree\right)$

a)

$\frac{1}{2}$

b)

$-\frac{1}{2}$

c)

$\frac{\sqrt{3}}{2}$

d)

$-\frac{\sqrt{3}}{2}$

9.

$\cos\ \left(-\frac{11\pi}{3}\right)$

a)

$\frac{\sqrt{3}}{2}$

b)

$\frac{1}{2}$

c)

$-\frac{1}{2}$

d)

$-\frac{\sqrt{3}}{2}$

10.

$\sec\ \left(-900\degree\right)$

a)

-1

b)

1

c)

0

d)

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Set 3: Exact Trig Values

Total questions: 10

Worksheet time: 20mins

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