Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 20)
Which formulas is/are correct?
sin θ = Opposite/Hypotenuse
cos θ = Adjacent/Hypotenuse
tan θ = Opposite/Adjacent
sin θ = Adjacent/Hypotenuse
คำอธิบาย
The first three formulas are correctly defined in the provided material.