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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![SOLVED:Use a calculator to evaluate the given expressions. cos[tan(-7.2256)]](https://cdn.numerade.com/previews/c6e6689f-4225-4724-a6c8-57e7e455f588_large.jpg "SOLVED:Use a calculator to evaluate the given expressions. cos[tan(-7.2256)]")
SOLVED:Use a calculator to evaluate the given expressions. cos[tan(-7.2256)]
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