Section 54 DoubleAngle Identities Proving the first of these PowerReducing Identities Guided Practice Prove the given identity Guided Practice Prove the given identity Guided Practice Prove the given identity ID: 577731
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Slide1
Double-Angle and Power-Reducing Identities
Section 5.4Slide2
Double-Angle Identities
Proving the first of these:Slide3
Power-Reducing IdentitiesSlide4
Guided Practice
Prove the given identity.Slide5
Guided Practice
Prove the given identity.Slide6
Guided Practice
Prove the given identity.Slide7
Guided Practice
Rewrite in terms of trigonometric functions with
n
o power greater than 1.Slide8
Guided Practice
Find all solutions to the given equation in the interval .
orSlide9
Guided Practice
Find all solutions to the given equation in the interval .
orSlide10
Guided Practice
Find all solutions to the given equation in the interval .
Quadratic Formula:
Only keep this answer:Slide11
Guided Practice
Find all solutions to the given equation in the interval .
orSlide12
Half-Angle IdentitiesSlide13
Half-Angle IdentitiesSlide14
Guided Practice
Use half-angle identities to find an exact value of the given
e
xpression.Slide15
Guided Practice
Use half-angle identities to find an exact value of the given
e
xpression.
Since , we take the positive value…Slide16
Guided Practice
Use half-angle identities to find an exact value of the given
e
xpression.
Since , we take the positive value…Slide17
Guided Practice
Write the given expression as one involving only and .
(Note: There are multiple correct answers!!!)Slide18
Guided Practice
Write the given expression as one involving only and .
(Note: There are multiple correct answers!!!)Slide19
Guided Practice
Prove the identity:Slide20
Guided Practice
Prove the identity:Slide21
Guided Practice
Prove the identity:Slide22
Guided Practice
Prove the identity: