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Trigonometry in Right-Angled Triangles by Mind Map: Trigonometry in Right-Angled Triangles
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Trigonometry in Right-Angled Triangles

Terminology of right-angled Triangles

Sides

Angles of Elevation and Depression

Trigonometrical Ratios

Ratios

Concepts

Trigonometry

Definition

Application

Pythagoras' Theorem

Theorems

Concepts

Example Question

Find the unknown angles and sides marked x, y and z in the figure.

Working