diff --git a/src/math/trigonometry.js b/src/math/trigonometry.js
index 39b8e4e196..47e7e2c773 100644
--- a/src/math/trigonometry.js
+++ b/src/math/trigonometry.js
@@ -286,10 +286,11 @@ function trigonometry(p5, fn){
    *
    * `cos()` is useful for many geometric tasks in creative coding. The values
    * returned oscillate between -1 and 1 as the input angle increases. `cos()`
-   * takes into account the current <a href="#/p5/angleMode">angleMode()</a>.
+   * calculates the cosine of an angle, using radians by default, or according
+   * to if <a href="#/p5/angleMode">angleMode()</a> setting (RADIANS or DEGREES).
    *
    * @method cos
-   * @param  {Number} angle the angle in radians unless specified by <a href="/reference/p5/angleMode/">angleMode()</a>.
+   * @param  {Number} angle the angle, in radians by default, or according to if <a href="/reference/p5/angleMode/">angleMode()</a> setting (RADIANS or DEGREES).
    * @return {Number}       cosine of the angle.
    *
    * @example
@@ -366,10 +367,11 @@ function trigonometry(p5, fn){
    *
    * `sin()` is useful for many geometric tasks in creative coding. The values
    * returned oscillate between -1 and 1 as the input angle increases. `sin()`
-   * takes into account the current <a href="#/p5/angleMode">angleMode()</a>.
+   * calculates the sine of an angle, using radians by default, or according to
+   * if <a href="#/p5/angleMode">angleMode()</a> setting (RADIANS or DEGREES).
    *
    * @method sin
-   * @param  {Number} angle the angle in radians unless specified by <a href="/reference/p5/angleMode/">angleMode()</a>.
+   * @param  {Number} angle the angle, in radians by default, or according to if <a href="/reference/p5/angleMode/">angleMode()</a> setting (RADIANS or DEGREES).
    * @return {Number}       sine of the angle.
    *
    * @example
@@ -446,11 +448,12 @@ function trigonometry(p5, fn){
    *
    * `tan()` is useful for many geometric tasks in creative coding. The values
    * returned range from -Infinity to Infinity and repeat periodically as the
-   * input angle increases. `tan()` takes into account the current
-   * <a href="#/p5/angleMode">angleMode()</a>.
+   * input angle increases. `tan()` calculates the tan of an angle, using radians
+   * by default, or according to
+   * if <a href="#/p5/angleMode">angleMode()</a> setting (RADIANS or DEGREES).
    *
    * @method tan
-   * @param  {Number} angle the angle in radians unless specified by <a href="/reference/p5/angleMode/">angleMode()</a>.
+   * @param  {Number} angle the angle, in radians by default, or according to if <a href="/reference/p5/angleMode/">angleMode()</a> setting (RADIANS or DEGREES).
    * @return {Number}       tangent of the angle.
    *
    * @example