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

Cartesian vs Polar
Slope and Road Signs
Rose Curve
Fourier Lissajous (Mechanical)
Some random function

Discover Resources

parsetofunction
Domain B
First Thales Theorem Worksheet
Test
Roller coaster math

Discover Topics

Pythagoras or Pythagorean Theorem
Arithmetic Mean
Intersection
Line Segment
Symmetry