Trigonometric relations T-Shirt
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The sine, cosine, and tangent ratios in a right triangle can be remembered by representing them as strings of letters, for instance SOH-CAH-TOA in English: Sine = Opposite over Hypotenuse Cosine = Adjacent over Hypotenuse Tangent = Opposite over Adjacent One way to remember the letters is to sound them out phonetically (sounds like, Krakatoa).
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