The second chapter for trigonometry in mathematics grade 10

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11. Trigonometry
Grade 10

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Applications of trigonometry
● Solving problems in two-dimensions
For example:
Mandla flies a kite on a 17 m string at an inclination of 63°. Calculate the height of the kite
above the ground.

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Applications of trigonometry
● Finding the height of a building
For example:
Calculate the height of the building in the diagram below.

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Applications of trigonometry
● Angles of elevation and depression
● Angle DBE is the angle of elevation, angle CBD is the angle of depression.

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