Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 50)
In a right-angled triangle, if you know the opposite and adjacent sides to an angle, which trigonometric function would you use to find the angle?
Sine
Cosine
Tangent
Secant
Explanation
The tangent function (tan) relates the opposite and adjacent sides.
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