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Use a Calculator to Find an Approximate Value of Each tan⁡−1(2)\tan ^ { - 1 } ( 2 )

Question 61

Essay

Use a calculator to find an approximate value of each expression correct to five decimal places, if it is defined.
(a)
tan⁡−1(2)\tan ^ { - 1 } ( 2 )
(b)
cos⁡−1(2)\cos ^ { - 1 } ( 2 )

Correct Answer:

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