Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 3 - No. 33)
If you know the angle and the hypotenuse of a right triangle, which trigonometric ratio can you use to find the length of the opposite side?
Sine
Cosine
Tangent
Cotangent
Explanation
Sine = Opposite/Hypotenuse
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