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Mathematics for IGCSE & O level - Pythagoras' Theorem And Trigonometry (Section 1 - No. 30)

If the adjacent side is 10 and the angle is 60, find the opposite side.
17.32
5
5.77
10

解释

Using tan(60) = O/10; O = 10*tan(60) = 10 * √3 = 17.32

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