Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 5 - No. 25)

What is the key function of trigonometry?

Calculating the area of shapes.

Studying the relationship between angles and side lengths in triangles.

Solving algebraic equations.

Measuring the volume of three-dimensional objects.

Trigonometry focuses on the relationships between angles and sides of triangles.