Questions Answered

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

BaileyC:
Group Title
There is only one atomic number for each element. Why is there more than one atomic mass for each element?
 updated 2 years ago
 3 replies
 1 Medal

yashpadhye:
Group Title
heat equation?
…
 updated 2 years ago
 1 reply
 1 Medal

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

Needzhelp77:
Group Title
According to a weather report there is a 58% chance of rain tomorrow. What is the probabilty it will not rain tomorrow?
(Answer must be i…
 updated 2 years ago
 5 replies
 1 Medal

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