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OpenStudy (anonymous):
Evaluate cot -220 degrees Round your answer to the nearest hundredth. A. -1.19 B. -0.84 C. 1.56 D. -1.31
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OpenStudy (anonymous):
\[\cot \left( -220 \right)=-\cot 220=-\cot \left( 180+40 \right)=-\cot 40=-\cot \left( 90-50 \right)=-\tan 50\] =?
OpenStudy (anonymous):
-1.19
OpenStudy (anonymous):
\[-\cot \left( 90-50 \right)=-\tan 50 =?\]
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