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OpenStudy (anonymous):
tan^-1 (-1) find the exact value of the expression
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OpenStudy (jdoe0001):
\(\bf tan^{-1}(-1)\implies tan(\theta) = -1\implies tan^{-1}(tan(\theta)) = tan^{-1}(-1)\\ \quad \\ \theta = tan^{-1}(-1)\)
OpenStudy (jdoe0001):
check your Unit Circle
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