Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 35)
In trigonometry, what does the acronym SOH CAH TOA help to remember?
The names of the sides of a triangle.
The formulas for the trigonometric ratios.
The process of solving right-angled triangles.
The angles in a right-angled triangle.
Giải thích
SOH (Sine = Opposite/Hypotenuse), CAH (Cosine = Adjacent/Hypotenuse), TOA (Tangent = Opposite/Adjacent).