Trigonometry

Name sides and angles in a right-angled triangle

Identify ratio of sides in right-angled triangles

Identify sine, cosine and tangent ratios

Evaluate sine, cosine and tangent ratios

Find angles from sine, cosine and tangent measures

Evaluate sine, cosine and tangent expressions

Find side lengths in right-angled triangles

Find angles in right-angled triangles

Solve contextual problems in right triangles I

Solve for sides or angles I

Solve for sides or angles II

Angles of elevation and depression I

Solve problems involving two right-angled triangles

Solve contextual problems in right triangles II

Grade 10

Solve problems involving two right-angled triangles

Interactive practice questions

Consider the following diagram.

a

First, find the length of $CD$CD correct to two decimal places.

b

Then, find the length of $AC$AC correct to two decimal places.

c

Hence, find the length of $AD$AD correct to two decimal places.

Easy

4min

Consider the following diagram.

Easy

3min

Consider the following diagram.

Easy

3min

Consider the following diagram:

Medium

5min

Outcomes

10P.MT2.02

Determine the measures of the sides and angles in right triangles, using the primary trigonometric ratios and the Pythagorean Theorem

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