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Answer: how do i calculate inverse tan?

Calculating inverse tangent (tan^-1) in Excel

1. Enter the values for your calculation in separate cells.
2. In a third cell, enter the formula "=ATAN(8.391/14.142)" (without the quotes).
3. Press Enter to get the result in radians.

To convert radians to degrees, multiply the result by 180/PI or use the DEGREES function.
For example, if the result of the ATAN function is in cell C1, you can use the formula "=C1*180/PI()" or "=DEGREES(C1)" to convert the result to degrees.

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