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Solving Trigonometric Equations

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Find the following exactly in radians and degrees in the restricted range [0, ).

tan-1 (-1)

A). /6 radians and 30
B). /4 radians and 45
C). 3/4 radians and 135
D). 5/4 radians and 225
E). None of the above.


Solution Summary

An equation is solved.