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

Odd Function Explorer
Rovnoběžnost rovin
Congruent Sides & Angles in △s: Exploration
Linear Equation Graphs: Thin Slice
Parabolas, Lines and Nomograms

Discover Resources

Doubling cube with ellipse
Geogebra transformation
Trig Function Graphs - Restricted Domain
Problem 4_5
Disk Method

Discover Topics

Limits
Logic
Cube
Intersection
Expected Value