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![Just wondering why my calculator is not giving a result for tan-1(-2/0). The correct answer is apparently meant to be -pi/2 radians. Mode is set radians. : r/EngineeringStudents Just wondering why my calculator is not giving a result for tan-1(-2/0). The correct answer is apparently meant to be -pi/2 radians. Mode is set radians. : r/EngineeringStudents](https://preview.redd.it/hi4j8vrkndb71.jpg?width=640&crop=smart&auto=webp&s=1042c47228665870fc4fa8346351b7e1da0a9c20)
Just wondering why my calculator is not giving a result for tan-1(-2/0). The correct answer is apparently meant to be -pi/2 radians. Mode is set radians. : r/EngineeringStudents
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Can someone let me know how I can use the reverse tangent feature on this calculator? I press the tan key but it does not show me how to input a reverse
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