doubleangle and halfangle identities€¦ · precalc/trig a 74 double and half angle identities may...
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PreCalc/Trig A
74 Double and Half Angle Identities
May 15, 2015
74
DoubleAngle and HalfAngleIdentities
PreCalc/Trig A
74 Double and Half Angle Identities
May 15, 2015
DoubleAngle Identities
PreCalc/Trig A
74 Double and Half Angle Identities
May 15, 2015
Example
If and θ has its terminal side in the
first quadrant, find the exact value of each function:
PreCalc/Trig A
74 Double and Half Angle Identities
May 15, 2015
HalfAngle Identities
PreCalc/Trig A
74 Double and Half Angle Identities
May 15, 2015
Use a halfangle identity to find: