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JSS3: MATHEMATICS - 2ND TERM
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Trigonometry I | Week 13 Topics|1 Quiz
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Trigonometry II | Week 24 Topics|1 Quiz
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Trigonometry III | Week 35 Topics|2 Quizzes
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Similarity I | Week 43 Topics|1 Quiz
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Similarity II | Week 53 Topics|1 Quiz
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Similarity III | Week 62 Topics|1 Quiz
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Similarity IV | Week 72 Topics|1 Quiz
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Variation I | Week 83 Topics|1 Quiz
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Variation II | Week 92 Topics|1 Quiz
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Calculations Involving Standard Form | Week 104 Topics|1 Quiz
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Compound Interest | Week 114 Topics|1 Quiz
Lesson 3,
Topic 2
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Using the Sine and Cosine Tables
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Topic Content:
- Using the Sine and Cosine Tables
The tables of sine and cosine are also in the four-figure tables. Use tables to find the values of the following
Sine
1. Sin 43ΒΊ = 0.6820
2. Sin 28ΒΊ = 0.4695
3. Sin 16.5ΒΊ = 0.2840
4. Sin 14.58ΒΊ = 0.2518
5. Sin 56ΒΊ. 45' = \(\scriptsize Sin\:56. \normalsize \frac{45}{60} \\ \scriptsize = Sin\:56.75 \\ \scriptsize = 0.8363 \)
Evaluation
- Sin 30ΒΊ
- ...
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