A right triangle has side lengths 5 12 and 13 as shown belo

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A right triangle has side lengths 5, 12, and 13 as shown below. Use these lengths to find tanA, sinA, and cosA. 13 12

Solution

sin A=opposite/hypotenuse=12/13

cos A=adjacent/hypotenuse=5/13

tan A=sinA/cosA=12/5