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Mathematics 20 Online
OpenStudy (anonymous):

solve the equation for the interval cosxsinx-sinx=0

OpenStudy (tkhunny):

Factor. Seriously.

OpenStudy (anonymous):

u hurt my feelings

OpenStudy (tkhunny):

?? Well, only if you don't want to factor it. sin(x) in each term. See what happens.

OpenStudy (anonymous):

I dont know how please explain! if i know how to factor i would have solved this by now but i dont kno how to solve this particular one.......

OpenStudy (tkhunny):

What was the previous one you did solve? cos(x)*sin(x) - sin(x) = 0 [cos(x) - 1]*sin(x) = 0 -- Factoring. You thought I was kidding?

OpenStudy (anonymous):

i still dont get it

OpenStudy (tkhunny):

Did you ever solve a quadratic equation? x^2 - x - 2 = 0 for example? I'm going to answer "yes". Okay, how did you do that?

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