The inverse of this trigonometric function is y = arccosx. Then the correct answer is option D.
What is a trigonometric function?
The trigonometric functions in mathematics are real functions that connect the right-angled triangle's angle to the ratios of its two side lengths.
The given graph is represented by the function y = cosx. The inverse function will be y = arccosx.
Hence, the correct answer is option D.
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