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How to find a missing side of a right triangle using trigonometry. In this lesson, we solve for a missing side using the three-step method: The problem: `sin 30° = x / 10` — find x. 1️⃣ LABEL the triangle (opposite, adjacent, hypotenuse from the angle) 2️⃣ CHOOSE the ratio (SOH CAH TOA) 3️⃣ WRITE the equation and SOLVE for x The ...
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