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web2.0calc.com 8-3 Trigonometry SOH-CAH-TOA SOH: sin 𝑥 = 𝑂𝑝𝑝𝑜𝑠𝑖𝑡𝑒 𝐻𝑦𝑝𝑜𝑡𝑒𝑛𝑢𝑠𝑒 cos 𝑥 = 𝐴𝑑𝑗𝑎𝑐𝑒𝑛𝑡 𝐻𝑦𝑝𝑜𝑡𝑒𝑛𝑢𝑠𝑒 tan 𝑥 = 𝑂𝑝𝑝𝑜𝑠𝑖𝑡𝑒 𝐴𝑑𝑗𝑎𝑐𝑒𝑛𝑡 CAH: TOA: Problem 1: Writing Trigonometric Ratios What are the sine, cosine, and tangent ratios for angle T? What are the sine, cosine, and tangent ratios for angle G? Problem 2: Using a Trigonometric Ratio to Find Distance Find the value of w: DAY 2 SOH-CAH-TOA If you know the sine, cosine, or tangent ratio for an angle, you can use an inverse to find the measure of an angle. −1 −1 −1 𝑠𝑖𝑛 , 𝑐𝑜𝑠 , 𝑜𝑟 𝑡𝑎𝑛 Problem 3: Using Inverses
