My friend and I are having an argument and I would like some help proving I'm right or perhaps proving me wrong. My friend and I where playing dungeo...

Having trouble with this question $\arcsin(\sin(5\pi/4))$ wouldn't the arcsin and sin cancel each other out, therefor this would just equal $5\pi/4$....

I was wondering why the statement in the title is true only if the functions we are dealing with are continuous. Here's the context (perhaps not requ...

I am reading about the definition of "entire functions" : "If a complex function is analytic at all finite points of the complex plane $\mathbb{C}$, then ...

I'm really only supposed to solve the differential equation $(1+(y')^2)y=k^2.$ I haven't encountered any problem with $(y')^2$. How do...

So, I was studying Numerical Integration from Hildebrand where I came across Simpson's Rule and 3/8 rule. Now, Simpson's rule has an error of or...

I am curious about what a lagging time series is. On investopedia, I saw an article that said that: "Autocorrelation is degree of similarity between time ...

Money is typically denominated in a way that allows for a greedy algorithm when computing a given amount $s$ as a sum of denominations $d_i$ of coins or b...

A frame of a shelter is made of rods of two different lengths: $x$ metres for top and bottom edges $y$ metres for each sloping edge The frame is to be cov...

The problem says: Find the point (coordinates $(x,y)=~?$) which is symmetrical to the point $(4,-2) $ considering the given equation $y=2x-3$ I have found...