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

Laundry Basket
繪畫垂直線
Segment Addition Postulate (Mild Questions)
Isosceles Right Triangle
Writing and Graphing Proportional Relationships (k>0)

Discover Resources

geom1
Portfolio
SalvinI_construction
Centroid
Template Coordinate plane 2

Discover Topics

Derivative
Inequalities
Parametric Curves
Limits
Integers