Solving Right Triangles

When you get into the more challenging triangles where not all three sides are given we use the following trigonometry rules.

          Sin X  = opposite / hypotenuse            Csc X = hypotenuse / opposite

          Cos X = adjacent / hypotenuse            Sec X = hypotenuse / adjacent

          Tan X = opposite / adjacent                 Cot X = adjacent / opposite

         Csc X = 1 / sin X

         Sec X = 1 / cos X

         Cot X = 1 / tan X

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