PreCalc II 4.3 Right Triangle Trigonometry

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Last updated 11:21 PM on 9/29/26

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Recipical of Sin θ = opposite/hypotenuse

csc θ = hypotenuse/opposite

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Recipical of cos θ = adjacent/hypotenuse

sec θ = hypotenuse/adjacent

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Recipical of Tan θ = opposite/adjacent

cot θ = adjacent/opposite

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