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Using Inverse Trig Functions to Express Angle Measures

作者：Tim Brzezinski

主題：角度, 餘弦, 函數, 幾何, 正弦, 正切函數, 三角函數, 三角學

Use inverse trigonometric functions to enter 3 different exact values for the measure of angle A. Do the same for angle B. Then, approximate angle A's measure to the nearest tenth (at bottom).

Quick silent demo

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