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JSS3: MATHEMATICS - 2ND TERM

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  1. Trigonometry I | Week 1
    3 Topics
    |
    1 Quiz
  2. Trigonometry II | Week 2
    4 Topics
    |
    1 Quiz
  3. Trigonometry III | Week 3
    5 Topics
    |
    2 Quizzes
  4. Similarity I | Week 4
    3 Topics
    |
    1 Quiz
  5. Similarity II | Week 5
    3 Topics
    |
    1 Quiz
  6. Similarity III | Week 6
    2 Topics
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    1 Quiz
  7. Similarity IV | Week 7
    2 Topics
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    1 Quiz
  8. Variation I | Week 8
    3 Topics
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    1 Quiz
  9. Variation II | Week 9
    2 Topics
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    1 Quiz
  10. Calculations Involving Standard Form | Week 10
    4 Topics
    |
    1 Quiz
  11. Compound Interest | Week 11
    4 Topics
    |
    1 Quiz
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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

  1. Sin 30ΒΊ
  2. ...

 

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