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
Explanation
The first three formulas are correctly defined in the provided material.
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