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OpenStudy (anonymous):
Please can someone assist me??? Find all x in the interval (0, pi) that satisfy cot(x/2) > 1 + cot(x)
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OpenStudy (curry):
You would need to use half angle formulas. Do you know them?
OpenStudy (anonymous):
the umm....sin(x/2) = SQRT (1-cosx)/2...?
OpenStudy (anonymous):
or the one of tan(x/2) = sin(x)/1+cos(x)?
OpenStudy (anonymous):
then for cot, the inverse is used yeah?
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