Trigonometric Functions

Tangent

Inverse

Cotangent

Pythagorean Identity

cos(x)/sin(x)

Adjacent/Opposite

Pythagorean Identity

sin(x)/cos(x)

Opposite/Adjacent

Cosine

Inverse

Secant

Pythagorean Identity

1/cos(x)

Hypotenuse/Adjacent

Pythagorean Identity

1/sec(x)

Adjacent/Hypotenuse

Sine

Inverse

Cosecant

Pythagorean Identity

1/sin(x)

Hypotenuse/Opposite

Pythagorean Identity

1/csc(x)

Opposite/Hypotenuse