can anyone plz help me find the derivtives to these equations?? cos3x/(2+sinx) lnx/(x((lnx)^4)-1) x>0 dx/(2+sinx+2cosx) sqr((x-3)/(x+3)
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Originally Posted by crazyhanna can anyone plz help me find the derivtives to these equations?? cos3x/(2+sinx) lnx/(x((lnx)^4)-1) x>0 dx/(2+sinx+2cosx) sqr((x-3)/(x+3) Hold on and I will post the solutions; can you try to make #2 a bit neater. Is the x*ln(x)^4-1?
Originally Posted by crazyhanna can anyone plz help me find the derivtives to these equations?? cos3x/(2+sinx) Use the quotient and chain rules together: y = cos(3x)/(2+sin(x)) y' = [-sin(3x)*3 * (2 + sin(x)) - cos(3x) * (cos(x))]/[2 + sin(x)]^2 y' = -[3sin(3x)*(2 + sin(x)) + cos(x)*cos(3x)]/[2 + sin(x)]^2 -Dan
Originally Posted by crazyhanna sqr((x-3)/(x+3) Here it is...
It shouldn't be dy/dx ? Regards.
RE: Good Point!!
Originally Posted by crazyhanna can anyone plz help me find the derivtives to these equations?? cos3x/(2+sinx) lnx/(x((lnx)^4)-1) x>0 dx/(2+sinx+2cosx) sqr((x-3)/(x+3) RE:
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