Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 4 - No. 11)
If we are given the angle and the length of the hypotenuse, what ratio should we use if we are trying to find the length of the side opposite the angle?
Sine
Cosine
Tangent
Cotangent
Explanation
Sine = Opposite / Hypotenuse
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