Calculators > Geometry > Trigonometry > Trigonometric Ratios

Trigonometric Ratios

Function
Name		 Abbreviation
Functions		 Ratio
 
Sine sin (θ) or sin θ
side opposite θ
hypotenuse
Cosine cos (θ) or cos θ
side adjacent θ
hypotenuse
Tangent tan (θ) or tan θ
side opposite θ
side adjacent θ
Cotangent cot (θ) or cot θ
side adjacent θ
side opposite θ
Secant sec (θ) or sec θ
hypotenuse
side adjacent θ
Cosecant csc (θ) or csc θ
hypotenuse
side opposite θ
right triangle with side opposite, side adjacent and hypotenuse
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