Top "Trigonometry" questions

Trigonometry is a branch of mathematics that studies triangles and the relationships between their sides and the angles between sides

How to calculate the angle of a vector from the vertical?

Im trying to find out the angle (in degrees) between two 2D vectors. I know I need to use trig …

algorithm language-agnostic math trigonometry
How can I generate random points on a circles circumference in javascript

I am trying to write a function that will randomly return an (x,y) co-ordinates around a given circumference so …

javascript math trigonometry
How to calculate rotation in 2D in Javascript

I am not so familiar trigonometry, but I have only two points to rotate in 2D: *nx, ny . - . - . …

javascript rotation trigonometry
Rotating object to face mouse pointer on mousemove

I've got a mousemove cursor in my game which will make my object shoot towards my mouse cursor. I'd like …

javascript html html5-canvas trigonometry
Plot the sine and cosine functions

I'm currently having some problems regarding my homework. Here's the Exercise: (Plot the sine and cosine functions) Write a program …

java math graph pi trigonometry
Knowing two points of a rectangle, how can I figure out the other two?

Hey there guys, I'm learning processing.js, and I've come across a mathematical problem, which I can't seem to solve …

math geometry trigonometry processing.js
Inner angle between two lines

I have two lines: Line1 and Line2. Each line is defined by two points (P1L1(x1, y1), P2L1(…

c++ math trigonometry lines angle
Given an angle and length, how do I calculate the coordinates

Assuming the upper left corner is (0,0) and I'm given an angle of 30 degrees, a starting point of (0,300), a line length …

c++ c math trigonometry
Getting angle back from a sin/cos conversion

I want to reverse a sin/cos operation to get back an angle, but I can't figure out what I …

math angle trigonometry
Find the normal angle of the face of a triangle in 3D, given the co-ordinates of its vertices

As you may be able to tell from this screenshot, I am trying to make a physics engine for a …

math 3d geometry trigonometry