fix(css): clarify angle return wording for atan, asin, acos

[kashish2710]

Clarifies the return value wording for CSS trigonometric functions atan(), asin(), and acos() by removing references to "number of radians" and consistently describing the result as an <angle>, aligning with existing guidance.

[github-actions[bot]]

Preview URLs

• /en-US/docs/Web/API/Window/requestAnimationFrame
• /en-US/docs/Web/CSS/Reference/Values/acos
• /en-US/docs/Web/CSS/Reference/Values/asin
• /en-US/docs/Web/CSS/Reference/Values/atan

Flaws (69)

Note! 1 document with no flaws that don't need to be listed. 🎉

URL: /en-US/docs/Web/CSS/Reference/Values/acos Title: acos() Flaw count: 23

• broken_links:
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#single_bar is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • and 18 more flaws omitted

---

URL: /en-US/docs/Web/CSS/Reference/Values/asin Title: asin() Flaw count: 23

• broken_links:
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#single_bar is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • and 18 more flaws omitted

---

URL: /en-US/docs/Web/CSS/Reference/Values/atan Title: atan() Flaw count: 23

• broken_links:
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#single_bar is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • Link /en-US/docs/Web/CSS/CSS_values_and_units/Value_definition_syntax#brackets is a redirect
  • and 18 more flaws omitted

(comment last updated: 2025-12-16 14:39:46)

[kashish2710]

Hi! This PR clarifies the return value wording for atan(), asin(), and acos() by consistently describing the result as an , as discussed in #42283. Please let me know if any changes are needed. Thanks!

[github-actions[bot]]

This pull request has merge conflicts that must be resolved before it can be merged.

[kashish2710]

Thanks for the review! The unrelated requestAnimationFrame change has now been reverted from this PR, and the conflict is resolved. Appreciate your guidance.