cos(θ) is the x-coordinate of the point P and, sin(θ) is the y-coordinate of the point P. This applet shows how the graphs of sin(θ) and cos(θ) follow directly from the definition of these functions.

Graphs of Sine and Cosine 1.2 An applet illustrating how the graphs of sine and cosine are related to the unit circle. Transformations of Functions 1.3 An applet illustrating how transformations ...

This circle has the centre at the origin and a radius of 1 unit. The point P can move around the circumference of the circle. At point P the \(x\)-coordinate is \(\cos{\theta}\) and the \(y ...

You can also plot graphs for trigonometric equations (equations that use sine, cosine, and tan, etc.), establish graphs for linear and quadratic inequalities, and even plot graphs for various ...

Graphs, maps and charts from The Times — and an invitation to students to discuss them live. Two powerful hurricanes recently spun up in the Gulf of Mexico. How has ocean heat in the Gulf ...

Recently, Prof. GAO Xiaoming’s team from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, ...

Are you easily distracted? If so, you’re in luck! This lesson will help you practice your ability to pay attention. By Jeremy Engle “Put yourself first” is often good advice when it comes ...

The top noise-cancelling headphones we've tested block out the world and let you simply enjoy your music, media, or the sweet ...

Dhep is a traveling photographer on his way home to broach unresolved problems between his father and himself. But, on his way home to the island, he meets Riam at the pier, and swiftly falls in ...

What I meant was that the themes at the beginning of the Apocalypse are easier to grasp: keep persevering, repent of sin, don’t lose heart while suffering, return to your first love, and so on.

“The Tailor of Sin City” is a wildly improbable story told by an unreliable narrator, full of celebrities, gangsters, drugs, guns and glamour. Still, one of the more fascinating aspects of ...

This circle has the centre at the origin and a radius of 1 unit. The point P can move around the circumference of the circle. At point P the \(x\)-coordinate is \(\cos{\theta}\) and the \(y ...