sin(a + b) & cos(a + b) - Discovery - (Solution)

Directions:[br][br]Carefully study the diagram below. [br][br]1) Write 2 new trigonometric identities from what you see here. [br]2) Go to the following applet and complete the directions shown there: http://tube.geogebra.org/m/1651649

Information: sin(a + b) & cos(a + b) - Discovery - (Solution)