GDGDJKJ's user avatar
GDGDJKJ's user avatar
GDGDJKJ's user avatar
GDGDJKJ
  • Member for 5 years, 2 months
  • Last seen more than 1 year ago
4 votes

integration of $\int_0^{\frac{\pi}{2}} \cos^{n}(t)dt$

2 votes

Product of two periodic functions.

2 votes

Prove: $\sin (\alpha - \beta) = \sin \alpha \cos \beta - \sin \beta \cos \alpha$

1 vote

My attempt at proving $A\cup B=A \cup (B \cap A^{c})$

1 vote
Accepted

How to use the Limit Comparison Test or Comparison Test Instead of Integral Test

1 vote

How can one show that $\sum_{n=0}^\infty\frac{n}{n!}=e$?

1 vote

Why is $\tan(-\frac{\pi}{2})<\tan(x)<\tan(\frac{\pi}{2})$ equivalent to $-\infty<\tan(x)<\infty$?

1 vote

Find dV/dA in terms of r.

1 vote

Solving $5+2\cos(3\theta-\frac{\pi}{4})=6$ with $-\pi\leq\theta<\pi$

1 vote

Using the chain rule to differentiate composite functions (exponential of an exponential)

1 vote

Product rule for independent functions

1 vote

Differential equation solution through integration

1 vote

Show that three points lie on the same line

0 votes

Solving $x = 5(y^2+10y+20)$ for $y$

0 votes

Chain Rule Intuition

0 votes

Calculus I Optimization Problem - Maximization of Profit

0 votes

Calculating the volume of a torus via an integral

0 votes

Prove $e^{x \cos(x)}=1+x+\frac{x^2}{2} - \frac{x^3}{3}-\frac{11x^4}{24}- \frac{x^5}{5} + \cdots$

0 votes

Polar coordinate calculation for area bounded by $r=2(1+\cos \theta)$ and $r=2\cos \theta$.