Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 3 - No. 10)
In trigonometry, what does 'adjacent' refer to in relation to an angle in a right triangle?
The side opposite the angle
The side next to the angle, not the hypotenuse
The hypotenuse
The longest side of the triangle
Giải thích
Adjacent side is next to the angle.