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

Segment Addition Postulate (Mild Questions)
Angle Addition Postulate (V2) - Integer Solutions
繪畫垂直線
Building Algebra Tile Models for Trinomials
Linear Combination of Vectors

Discover Resources

MVC - 3D Project: Javin and Grace
Olimpiada Tu 2.
Math
Inv 2.2D - Congruent Triangles
Souřadnice bodu v prostoru

Discover Topics

Pythagoras or Pythagorean Theorem
Hypothesis Testing
Equilateral Triangles
Upper and Lower Sum or Riemann Sum
Conditional Probability