[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-09-19 UTC."],[[["Calculates the arccosine (inverse cosine) of pixel values within an image, returning a new image with the results."],["The function operates on an input image and produces an output image where each pixel represents the arccosine of the corresponding input pixel's value, measured in radians."],["Usage involves calling the `acos()` function directly on an image object, like `Image.acos()`, which returns the modified image."]]],[]]