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GCSE Maths: Inverse Cos and Tan on your Calculator
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日期：2025-11-15
Inverse Cos and Tan In the same way that we can find an unknown angle from the sin ratio (opposite:hypotenuse), we can do the same with cos and tan. By definition, cosV = adjacent ÷ hypotenuse = 2 ÷ 3·6 = 0·556 We can find V by telling our calculator that...看更多
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