Find the exact value of cos⁻¹ (cos 5π/7 ). Write your answer in radians in terms of π. If necessary, click on "Undefined."

asked Mar 3, 2024 113k views

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4 votes

Explanation:

the cos^-1 and the cos function cancel each other and you are left with

5pi/7 Radians

Russellelbert answered Mar 10, 2024

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