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Topics
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
Lesson
Practice
Find side lengths in right-angled triangles
Find angles in right-angled triangles
Applications to geometry
Solve contextual problems in right triangles
The trigonometric ratios
Solve for angles or other trig ratios
Triangle problems
Angles of elevation and depression
Solve problems involving two right-angled triangles
Applications to real life
Sine Law
Cosine Law
Applications of the Sine Law
Applications of the Cosine Law
Medians and midpoints in a triangle
Triangle medians (Investigation)
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CanadaON
Grade 10

Evaluate sine, cosine and tangent expressions

Outcomes

10D.T2.01

Determine, through investigation , the relationship between the ratio of two sides in a right triangle and the ratio of the two corresponding sides in a similar right triangle, and define the sine, cosine, and tangent ratios

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