Free Printable Evaluating Trigonometric Functions Given Triangle

1.

sin π/4

a)

√2∕2

b)

1/2

c)

√3/2

d)

0

2.

cos(30^o)

a)

- ½

b)

√3/2

c)

2√3 /3

d)

½

3.

Right triangle ABC is shown. Select all expressions which are equal to the length of side BC.

a)

$\sqrt[]{6^2-4.9^2}$

b)

$\frac{4.9}{\tan\left(55\right)}$

c)

$\frac{4.9}{\sin\left(55\right)}$

d)

$6\times\cos\left(55\right)$

e)

$\frac{6}{\cos\left(55\right)}$

4.

Match the values of the trig functions of $\theta$ as shown in the figure.

a)

Sin

1.

$\frac{2}{5}$

b)

Cos

2.

$\frac{\sqrt[]{21}}{5}$

c)

Tan

3.

$\frac{2\sqrt[]{21}}{21}$

d)

Cot

4.

$\frac{\sqrt[]{21}}{2}$

e)

Sec

5.

$\frac{5\sqrt[]{21}}{21}$

5.

Right triangle ABC is shown.

Select all expressions which are equal to the length of side BC .

a)

$\sqrt[]{6^2-4.9^2}$

b)

$\frac{4.9}{\tan\left(55\right)}$

c)

$\frac{4.9}{\sin\left(55\right)}$

d)

$6\times\cos\left(55\right)$

e)

$\frac{6}{\cos\left(55\right)}$

6.

Find cos 58.4 to the nearest hundredth?

a)

.52

b)

.85

c)

.16

d)

.54

7.

Right triangle ABC is shown. Select all expressions which are equal to the length of side BC.

a)

$\sqrt[]{6^2-4.9^2}$

b)

$\frac{4.9}{\tan\left(55\right)}$

c)

$\frac{4.9}{\sin\left(55\right)}$

d)

$6\times\cos\left(55\right)$

e)

$\frac{6}{\cos\left(55\right)}$

8.

What is the value of Sin(60*)

Evaluating Trigonometric Functions Given Triangle

Total questions: 8

Worksheet time: 8mins

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