Curriculum
Course: Pure Mathematics — Second Secondary
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Curriculum

Pure Mathematics — Second Secondary

Unit 1: Real Functions and Curve Sketching

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Unit 2: Exponents and Logarithms

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Unit 3: Limits

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Unit 4: Trigonometry

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Quiz

The Cosine Rule — Lesson quiz

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  • Questions count: 5
  • Passing grade: 60%
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1.
In a triangle, b = 4 cm, c = 6 cm and A = 60°. Find a.
≈ 5.29 cm
≈ 7.21 cm
10 cm
≈ 4.47 cm
2.
In a triangle, a = 3 cm, b = 4 cm and c = 5 cm. Find cos C.
3/5
0
4/5
1
3.
In a triangle with a = b = c = 6 cm, find angle A.
30°
45°
60°
90°
4.
In a triangle, b = 5 cm, c = 8 cm and A = 90°. Find a.
√89 ≈ 9.43 cm
√39 ≈ 6.24 cm
13 cm
√13 ≈ 3.61 cm
5.
In a triangle with a = 13 cm, b = 5 cm and c = 12 cm, find the angle opposite the 13 cm side.
60°
90°
45°
120°
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