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

Modifiable Right Triangular Prism
Midpoint Theorem (V2): Integer Solutions
Squaring a Rectangle (PST Version)
Linear Combination of Vectors
Laundry Basket

Discover Resources

test2
Hypocycloid (do kids even play with Spirographs anymore?)
Margo Wyatt B1 qtr1Project
Bisectriz de un Ángulo Definición (I)
Inscribed Ellipses

Discover Topics

Means
Geometric Distribution
Root
Constructions
Linear Functions