Function sin, cos, tan

Syntax:

sin radians number

cos radians number

tan radians number

Arguments and Values:

radians—a number given in radians.

number—a number.

Description:

12.5.2 14sin, 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)

Side Effects:

None.

Affected By:

None.

Exceptional Situations:

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

See Also:

asin, acos, atan, Section 12.1.3.3 (Rule of Float Substitutability)

Notes:

None.