To calculate the tangent of an angle in gradians, you must first select the desired unit by clicking on the options button calculation module. After that, you can start your calculus. To calculate
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How do you calculate tan−1(−1) ? https://socratic.org/questions/how-do-you-calculate-tan-1-1 Konstantinos Michailidis Nov 4, 2015 It is tan−1(−1) = tan−1(tan(−4π)) = −4π How do you use
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