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OpenStudy (anonymous):
cos4x+12sin^x-1=0findx
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OpenStudy (anonymous):
what does sin^x-1 mean?
OpenStudy (anonymous):
just convert them all to cosine :D
OpenStudy (anonymous):
or sine
OpenStudy (anonymous):
still can't parse sin^x-1
OpenStudy (anonymous):
yea do sine and then its just a trig eq. It isnt arc sine -1 is a constant
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OpenStudy (anonymous):
Must be a typo. @Hanhphucao, is that supposed to say \[\cos4x+12\sin^2x-1=0~~?\]
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