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Mathematics 14 Online
OpenStudy (iwanttogotostanford):

please help

OpenStudy (iwanttogotostanford):

@TheSmartOne @phi

OpenStudy (phi):

if you multiply two numbers and one of them is 0, what do you get ?

OpenStudy (iwanttogotostanford):

0

OpenStudy (phi):

you use that idea to say: either sin x =0 (find all solutions) or cos x = 0 (find all solutions) any idea what angles make sin x = 0 ?

OpenStudy (iwanttogotostanford):

I'm really confused on this one sorry

OpenStudy (phi):

you might have seen a plot of sin x ?

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