Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 44)
In the context of a right-angled triangle, what is the purpose of trigonometry?
To calculate the area of the triangle.
To relate the angles and sides of the triangle.
To determine if the triangle is right-angled.
To find the hypotenuse.
Объяснение
Trigonometry is used to find the relationship between the sides and angles of a triangle.