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sin(a + b) & cos(a + b) - Discovery
Author:
Tim Brzezinski
Topic:
Angles
,
Triangles
,
Trigonometric Functions
Directions are given in the applet below.
GeoGebra
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
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