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5.5: Double and Half Angle Formulas

5.5: Double and Half Angle Formulas

Author: Chris Melograna
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Notesheet for 5.5


Double Angle formulas using Right Triangles

Using Double Angle formulas to solve Equations

Using Double Angle formulas to Verify Identities

Half Angle formulas to find the value of non-special angles

Half angle formulas using Right Triangles