Sine
Cosine
Tangent
MNEMONIC: trigonometric ratios
SOH CAH TOA
Sine = Opposite ÷ Hypotenuse
Cosine = Adjacent ÷ Hypotenuse
Tangent = Opposite ÷ Adjacent
The values of both sine and cosine range from _____ to _____.
−1 to 1
The values of tangent range from _____ to _____.
−∞ to ∞
Inverse sine
a.k.a arcsin or sin-1
Same applies to inverse cosine and inverse tangent
Trigonometric functions are useful for splitting a vector _____; inverse trigonometric functions are useful for determining _____.
into its components
the direction of a resultant from its components
Special right triangles
