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-rw-r--r--2d/math.scm12
1 files changed, 6 insertions, 6 deletions
diff --git a/2d/math.scm b/2d/math.scm
index 21e5565..af46fff 100644
--- a/2d/math.scm
+++ b/2d/math.scm
@@ -58,25 +58,25 @@
(define pi 3.141592654)
(define (degrees->radians angle)
- "Converts angle in degrees to radians."
+ "Convert ANGLE in degrees to radians."
(* angle (/ pi 180)))
(define (radians->degrees angle)
- "Converts angle in radians to degrees."
+ "Convert ANGLE in radians to degrees."
(* angle (/ 180 pi)))
(define (sin-degrees angle)
- "Computes the sin of the angle expressed in degrees."
+ "Compute the sin of ANGLE expressed in degrees."
(sin (degrees->radians angle)))
(define (cos-degrees angle)
- "Computes the cosine of the angle expressed in degrees."
+ "Compute the cosine of ANGLE expressed in degrees."
(cos (degrees->radians angle)))
(define (tan-degrees angle)
- "Computes the tangent of the angle expressed in degrees."
+ "Compute the tangent of ANGLE expressed in degrees."
(tan (degrees->radians angle)))
(define (atan-degrees y x)
- "Computes the arctangent in degrees of the coordinates x and y."
+ "Compute the arctangent in degrees of the coordinates Y and X."
(radians->degrees (atan y x)))