# Section 5.4. Double-Angle Identities Proving the first of these:

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Power-Reducing Identities

### Text of Section 5.4. Double-Angle Identities Proving the first of these:

Double-Angle and Power-Reducing IdentitiesPower-Reducing Identities
Guided Practice
no power greater than 1.
Guided Practice
Find all solutions to the given equation in the interval .
or
Find all solutions to the given equation in the interval .
or
Find all solutions to the given equation in the interval .
Find all solutions to the given equation in the interval .
or
Half-Angle Identities
Half-Angle Identities
Guided Practice
Use half-angle identities to find an exact value of the given
expression.
Guided Practice
Use half-angle identities to find an exact value of the given
expression.
Guided Practice
Use half-angle identities to find an exact value of the given
expression.
Guided Practice
(Note: There are multiple correct answers!!!)
Guided Practice
(Note: There are multiple correct answers!!!)
Guided Practice

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