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Waffle
  • Member for 11 years, 4 months
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8 votes

Three dice rolled

2 votes

Show that the substitution $t=\tan\theta$ transforms the integral ${\int}\frac{d\theta}{9\cos^2\theta+\sin^2\theta}$, into ${\int}\frac{dt}{9+t^2}$

2 votes

powers of coprime numbers

2 votes

How to simplify $(\sin\theta-\cos\theta)^2+(\sin\theta+\cos\theta)^2$?

2 votes

Integration by parts: $\int e^{-\theta}\cos7\theta \;d\theta$

1 vote

Evaluate the limit of following

1 vote

Derivative of $f(x) = x^2 \sin(1/x)$ using the derivative definition

1 vote

What is the limit of this specific function?

1 vote
Accepted

Proving a trigonometric identity (Homework)

1 vote

Evaluate the integral $\int_0^{1/4}\frac{x-1}{\sqrt{x}-1}\mathrm dx$

0 votes

Calculus 2: Strategy for Integration, Integral of e^(x+e^x)dx

0 votes

Integrate $\int\frac{dx}{x\sqrt{x^2+x+1}}$

0 votes

Not understanding how to factor a polynomial completely

0 votes

Find the smallest natural number that can not be written as a sum of elements of S?