sin, cos, tan [Function]

sin radians => number

cos radians => number

tan radians => number

Arguments and Values::

radians---a number given in radians.

number---a number.

Description::

sin, cos, and tan return the sine, cosine, and tangent, respectively, of radians.

Examples::

 (sin 0) =>  0.0
 (cos 0.7853982) =>  0.707107
 (tan #c(0 1)) =>  #C(0.0 0.761594)

Exceptional Situations::

Should signal an error of type type-error if radians is not a number. Might signal arithmetic-error.

See Also::

@xref{asin; acos; atan} , acos, atan, section Rule of Float Substitutability

Go to the first, previous, next, last section, table of contents.