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

The Geometry of the Coefficients of a Quadratic Function
The Gardener's Circle
Regular Polygons and Equivalent Triangles
Domain of f(x,y)
Fractal Tétraèdre. Dilatation -1/2 centre triangles

Discover Resources

Prealgebra
Geometric interpretation of arctan(M)
gleichdick_wankel_final
doğrusal denklemin parametreleri
Transforming Trig Graphs Whiteboard
Geometry Constructions Assessment
Unit Circle Practice Tool

Discover Topics

Inequalities
Means
Rational Numbers
Hypothesis Testing
Indefinite Integral