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OpenStudy (rainbow_dash):
What is the exact value for cotangent of -330 degrees?
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hartnn (hartnn):
all trigonometric ratios including cot are periodic with 360 degrees. so, \(\cot (x)=\cot (x \pm 360n)\) got this ?
OpenStudy (anonymous):
-330? do you mean 30 degrees?
hartnn (hartnn):
why can't she mean -330 ?
OpenStudy (anonymous):
what does it mean? going backwards indirectly 30 degrees
OpenStudy (rainbow_dash):
i got it :3 thanks
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hartnn (hartnn):
\(\cot (-330)= \cot (360-330)=\cot (30)=...?\)
hartnn (hartnn):
okk....good :)
OpenStudy (anonymous):
that's what i said any way you are great
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