Free Printable Law of sin or cos

1.

Find the length of Side BC.

a)

33

b)

24

c)

12

d)

29

2.

Find the length of side AB.

a)

10

b)

8

c)

6.1

d)

4.9

3.

What is the measure of angle A?

a)

$58\degree$

b)

$61\degree$

c)

$78\degree$

d)

$74\degree$

4.

What is the measure of angle A?

a)

$50\degree$

b)

$60\degree$

c)

$78\degree$

d)

$74\degree$

5.

Identify the Law of Sines

a)

$\sin^2x+\cos^2x=1$

b)

$\frac{\sin\left(A\right)}{a}=\frac{\sin\left(B\right)}{b}=\frac{\sin\left(C\right)}{c}$

c)

$\sin\left(A\right)\sin\left(B\right)\sin\left(C\right)=1$

d)

Soh Cah Toa

6.

Find x, the measure of the angle.

a)

52

b)

33

c)

41

d)

29

7.

Choose the correct ratio.

a)

$\sin\left(Z\right)=\frac{5}{13}$

b)

$\sin\left(X\right)=\frac{5}{13}$

c)

$\cos\left(X\right)=\frac{13}{12}$

d)

$\tan\left(Z\right)=\frac{13}{12}$

8.

Which of the following formulas shows the Law of Cosines?

a)

c² = a² + b² - 4ac + cosA

b)

c² = a² - b² - 2abcosC

c)

c² = a² + b² - 2abcosC

d)

(cos A)/a = (cos B)/b

9.

If three sides of a triangle are given, the Law of ____ is used to solve the triangle.

a)

Cosines

b)

Sines

c)

Tangent

d)

Cosecents

10.

Which Law would you use?

a)

Law of Sines

b)

Law of Cosines

c)

Law of the Jungle

d)

Law of Gravity

11.

Which Law would you use?

a)

Law of Sines

b)

Law of Cosines

c)

Law of the Jungle

d)

Law of Gravity

12.

Find angle A

a)

53.6

b)

13.3

c)

113.1

13.

Jack is flying his kite. He runs 100 feet away from his house and lets out 75 feet of string. The angle of elevation from the ground to the kite is 65 degrees. How far away is the kite from the house?

a)

9285.73 ft

b)

96.36 ft

c)

24061.81 ft

d)

155.12 ft

14.

The Tangent Ratio represents ...

a)

Opposite over Adjacent

b)

Hypotenuse over Opposite

c)

Opposite over pythagorean theorem

d)

Ratio over opposite

Law of sin or cos

Total questions: 14

Worksheet time: 3615secs

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