Trigonometric Ratios

Function Name	Function Abbreviations	Ratio
Sine	sin (θ) or sin θ	side opposite θhypotenuse
Cosine	cos (θ) or cos θ	side adjacent θhypotenuse
Tangent	tan (θ) or tan θ	side opposite θside adjacent θ
Cotangent	cot (θ) or cot θ	side adjacent θside opposite θ
Secant	sec (θ) or sec θ	hypotenuseside adjacent θ
Cosecant	csc (θ) or csc θ	hypotenuseside opposite θ