Questions Asked

purplemouse:
Group Title
What conditions must be fulfilled to apply the Central Limit Theorem? And in what cases would it be applied?
 updated one year ago
 5 replies
 No Medals Yet

purplemouse:
Group Title
What solvent besides CH2Cl2 would dissolve acetaminophen but not aspirin or caffeine?
 updated one year ago
 No Medals Yet

purplemouse:
Group Title
Testing for convergence or divergence of an integral: Use the direct comparison test or limit comparison test to test the integral for conve…
 updated 2 years ago
 5 replies
 1 Medal

purplemouse:
Group Title
And absorption/transmittance question: A solution has an absorbance of 1.0 at a wavelength of 474 nm. At this wavelength, what percent of l…
 updated 2 years ago
 No Medals Yet

purplemouse:
Group Title
Integral sec t (tan t)^2 dt
 updated 2 years ago
 10 replies
 2 Medals

purplemouse:
Group Title
Integral sqrt(x2)/sqrt(x1)
 updated 2 years ago
 4 replies
 2 Medals

purplemouse:
Group Title
simplify: tan^3(arcsec (x/2))
x= 2sec t
sqrt(x^2 4) = 2 tan t
…
 updated 2 years ago
 8 replies
 2 Medals

purplemouse:
Group Title
so I need help with the steps to simplify this: csc(arctan x)
I know that sqrt(x^2 +1) = sec t
and x = tan t; t= arctan(x)
…
 updated 2 years ago
 4 replies
 1 Medal

purplemouse:
Group Title
An integration question: so the original problem was integral of (sinx)^3/ (cosx)^4, and I simplified this to integral of secx(tanx)^3, whic…
 updated 2 years ago
 5 replies
 2 Medals

purplemouse:
Group Title
Integral: (sec x)^4(tanx)^2 dx
 updated 2 years ago
 2 replies
 2 Medals