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Trigonometric Ratios. Trigonometric Ratio. A ratio of the two side lengths of a right triangle. The three basic trigonometric ratios are:. Sine (sin) Cosine (cos) Tangent (tan). SOH CAH TOA. When doing trig problems, think:.
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Trigonometric Ratio • A ratio of the two side lengths of a right triangle
The three basic trigonometric • ratios are: • Sine (sin) • Cosine (cos) • Tangent (tan)
SOH CAH TOA When doing trig problems, think:
To find missing angles, use the inverse trig function on your calculator.