Asked by me
Solve the equation for exact solutions over the interval [0, 2pi].
4 cotx+2=-2
4 cotx+2=-2
Answers
Answered by
Steve
you want cot x = -1
cot pi/4 = 1
so you want an angle in QII or QIV
cot 3pi/4 = cot 7pi/4 = -1
cot pi/4 = 1
so you want an angle in QII or QIV
cot 3pi/4 = cot 7pi/4 = -1
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