Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 48)
What is the main focus of trigonometry?
Calculating the area of circles.
Studying the relationship between angles and sides in triangles.
Solving complex algebraic equations.
Measuring the volume of 3D shapes.
解释
Trigonometry deals with the relationship between angles and sides.