sin(a + b) & cos(a + b) - Discovery

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

New Resources

Untitled
Some random function
Viviani's Curve
bewijs stelling van Pythagoras
Rose Curve

Discover Resources

Roots of a complex number
Pumpkin Project 3
Parallel Lines Cut By a Transversal
Ratio of 2 sides, included angle
Intersecting Chords/Secants

Discover Topics

Line Segment
Vectors 3D (Three-Dimensional)
Division
Mode
Dilation