what is formula of trigonometry
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➡ Basic Formulas
By using a right-angled triangle as a reference, the trigonometric functions or identities are derived: sin θ = Opposite Side/Hypotenuse. cos θ = Adjacent Side/Hypotenuse. tan θ = Opposite Side/Adjacent Side.
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sign = opposite/ hypotenuse
cos = adjacent/ hypotenuse
tan = oppo/ adjacent
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