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 HalfAngle Identities
Transcript of DoubleAngle and HalfAngle Identities€¦ · PreCalc/Trig A 74 Double and Half Angle Identities May...
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: