sin, cos, tan
sin radians → number
cos radians → number
tan radians → number
radians—a number given in radians.
number—a number.
12.5.2 14sin, cos, and tan return the sine, cosine, and tangent, respectively, of radians.
(sin 0) → 0.0 (cos 0.7853982) → 0.707107 (tan #c(0 1)) → #C(0.0 0.761594)
None.
None.
Should signal an error of type type-error if radians is not a number. Might signal arithmetic-error.
asin, acos, atan, Section 12.1.3.3 (Rule of Float Substitutability)
None.