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Trigonometric Ratios

right triangle with side opposite, side adjacent and hypotenuse
Function
Name
Function
Abbreviations
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
 

Cite this content, page or calculator as:

Furey, Edward "Trigonometric Ratios"; from https://www.calculatorsoup.com - Online Calculator Resource.

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