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OpenStudy (anonymous):
find the exact values of the six trigonometric functions for -90 degrees
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OpenStudy (anonymous):
\[\{\text{Sin}[-90{}^{\circ}],\text{Cos}[-90{}^{\circ}],\text{Tan}[-90{}^{\circ}],\text{Cot}[-90{}^{\circ}],\text{Sec}[-90{}^{\circ}],\text{Csc}[-90{}^{\circ}]\}\to \]\[{-1,0,ComplexInfinity,0,ComplexInfinity,-1} \]
OpenStudy (anonymous):
how do i do that using the unit circle?
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