Trigonometry
Trigonometric Calculations
compute values of trigonometric functions
sin(pi/5)
tan(60 deg)
compute values of inverse trigonometric functions
arcsin(1/2)
Trigonometric Functions
compute properties of a trigonometric function
cos x
sec(5x)
compute properties of an inverse trigonometric function
arccot x
plot a trigonometric function
plot sin(x)
analyze a trigonometric function of a complex variable
sin(z)
analyze a trigonometric polynomial
cos(x) + 1/2 cos(2x) + 1/4 cos(4x)
generate a table of special values of a function
closed-form values of tan(x)
compute the root mean square of a periodic function
root mean square 3sin(t)-2cos(2t)
root mean square squarewave(t/3) + sin(pi t)
Trigonometric Identities
find multiple-angle formulas
expand sin 4x
find addition formulas
expand sin(x+y+z)
find other trig identities
factor sin x + sin y
Trigonometric Equations
solve a trigonometric equation
sin x + cos x = 1
compute the period of a periodic function