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Cambridge OLevel Mathematics Syllabus D revision notes
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Lesson-6.1.4- Know that the perpendicular distance from a point to a line is the shortest distance to the line.
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Lesson-6.1.3- Solve problems in two dimensions using Pythagoras??? theorem and trigonometry. Knowledge of bearings may be required.
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Lesson-6.1.5- Carry out calculations involving angles of elevation and depression.
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