Free Printable Sine and Cosine rule

Free Printable Worksheets

Worksheets

Sine and Cosine rule

Total questions: 6

Worksheet time: 3600secs

Name

Class

Date

1.

What is the measure of angle A?

a)

50 degrees

b)

60 degrees

c)

78 degrees

d)

74 degrees

2.

Which of the following formulas is the Cosine rule?

a)

c² = a² + b² - 4ac + cosA

b)

c² = a² - b² - 2abcosC

c)

c² = a² + b² - 2abcosC

d)

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

3.

Find the missing angle θ

a)

27.9^o

b)

29.2^o

c)

26.8^o

d)

45^o

4.

Find the missing side x

a)

60.5mm

b)

10.3mm

c)

30.1mm

d)

58.1mm

5.

Find the length of BC using Cosine Rule.

a)

626.70

b)

25.03

c)

313.35

6.

Find the missing side x

a)

2.36cm

b)

9.21cm

c)

3.16cm

d)

4.51cm

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