y = sin x = Y Coordinate/Radius
y = sin^-1 x
X and Y Inverse Meanings
X is a valid function value
Y is the radians or degrees of the function
X and Y Meanings
X is the radians or degrees of the function
Y is a valid function value
y =cos x = X Coordinate/Radius
y = cos^-1 x
y = tan x = Sine/Cosine
y = tan^-1 x
y = sec x = Radius/Cosine
y = sec^-1 x
y = csc x = Radius/Sine
y = csc^-1 x
y = cot x = Cosine/Sine
y = cot^-1 x
Quotient Identities
Reciprocal Identities
sin θ = 1/csc θ
cos θ = 1/sec θ
tan θ = 1/cot θ
csc θ = 1/sin θ
sec θ = 1/cos θ
cot θ = 1/tan θ
Pythagorean Identities
sin²θ+cos²θ = 1
1+ tan²θ = sec²θ
1+ cot²θ = csc²θ
SOH
Sine = Opposite/Hypotenuse
CAH
Cosine = Adjacent/Hypotenuse
TOA
Tangent = Opposite/Adjacent