Cambridge OLevel Mathematics Syllabus D revision notes

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Lesson

Lesson-6.1.6- Use the sine and cosine rules in calculations involving lengths and angles for any triangle. Includes problems involving obtuse angles and the ambiguous case.

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Lesson-6.1.5- Carry out calculations involving angles of elevation and depression.Previous Lesson-6.1.7- Use the formula area of triangle = 1/2 ab sinC . The sine and cosine rules and the formula for area of a triangle are given in the List of formulas.Next