List of trigonometric functions

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This post is a list of trigonometric functions. There are 6 functions listed below. Source: Wikipedia

Sine (sin)

Opposite / Hypotenuse

Sin A = a / c

Cosine (cos)

Adjacent / Hypotenuse

Cos A = b / c

Tangent (tan)

Opposite / Adjacent

Tan A = a / b

Cotangent (cot)

Adjacent / Opposite

Cos A = b / a

Secant (sec)

Hypotenuse / Adjacent

Sec A = c / b

Cosecant (cosec)

Hypotenuse / Opposite

Cosec A = c / a