sin(a + b) & cos(a + b) - Discovery
- Author:
- Tim Brzezinski
- Topic:
- Angles, Triangles, Trigonometric Functions
Directions are given in the applet below.
Use your results to write 2 new trigonometric identities from what you now see.
After doing so, go to the following applet: http://tube.geogebra.org/m/1651617