A Sine/Cosine Identity
Initializing live version
Requires a Wolfram Notebook System
Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.
This Demonstration looks at the trigonometric identity . We plot the functions (red curves), (orange curves), and compare the plots of the functions (black, on the left) and (black, on the right); when , they are the same.
Contributed by: Jon Perry (March 2011)
Open content licensed under CC BY-NC-SA
"A Sine/Cosine Identity"
Wolfram Demonstrations Project
Published: March 7 2011