### HTML5 Canvas: Calculating a x,y point when rotated?

I developing a HTML5 Canvas App and it involves reading a xml file that describes the position of arrows, rectanges ...

### Write a function that will plot x/y for a sine wave to be drawn by WebGL??

I'm trying to learn WebGL (and some math from codingmath). The goal today is to draw a sine wave at any start and e...

### calculate orientation when rotating around circle?

I've recently run into a mild problem when trying to program a class that holds multiple sprites with SFML. I have ...

### Finding the intersect location of two Rays?

I have two rays. Each ray has a start location vector (Vector3D) and a direction vector (Vector3D), but continue on ...

### How to convert x,y coordinates to an angle??

Microsoft provide an excellent SVG gradient maker so IE9 can also have "CSS3" gradients (click Custom). I currently...

### Inverse Cosine in Python?

Apologies if this is straight forward, but I have not found any help in the python manual or google. I am trying to ...

### Approximating Sine(x) with a Taylor series in C and having a lot of problems?

I'm trying to approximate sine(x) in C using a Taylor series and Stirling's approximation for factorials but I'm ge...

### How do I calculate a point on a circle’s circumference??

How can the following function be implemented in various languages? Calculate the (x,y) point on the circumference ...

### Implementing Taylor Series for sine and cosine in C?

I've been following the guide my prof gave us, but I just can't find where I went wrong. I've also been going throu...

### Approximating inverse trigonometric functions?

I have to implement asin, acos and atan in environment where I have only following math tools: sine cosine element...

### Calculating adjacent side of triangle in java??

I am working on an application that can calculate how far a ladder has to be from the wall in this case the ladder i...

### Android java: draw image of a sine waveform?

How to draw an image (of any type, png, jpg, bmp etc) of a Sine wave knowing frequency with amplitude = 1? Example:...

### Inverse of Tan in python (tan-1)?

I am trying to calculate the inverse of tan in python, but it does not give me the correct value, for example, if I ...

### How to find x and y coordinates on a flipped circle using javascript methods?

I am trying to find the X, Y points on a circle where 0 degrees starts at the top of the circle and moves clockwise....

### How to use the PI constant in C++?

I want to use the PI constant and trigonometric functions in some C++ program. I get the trigonometric functions wit...