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OpenStudy (anonymous):
Find all solutions of the equation: 1+cos x/1-cos x =0
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OpenStudy (anonymous):
No solution.
OpenStudy (anonymous):
Is 1+cos x the entire term in the numerator as in (1+cos x)/(1-cos x)
OpenStudy (anonymous):
If it is then cos x=-1. and x will be (2n+1)pi
OpenStudy (mertsj):
If the fraction is 0 then the numerator is 0 so 1+cosx = 0 and cos x = -1 and x = pi +2 n pi
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