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Do Now: Verify the identity.

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Do Now: Verify the identity. HW:p.643-644 ( Academy Algebra II/Trig 8.5: (PC 5.5): Multiple-Angle and Product-Sum Double-Angle Formulas Half-Angle Formulas P.418: USE ... – PowerPoint PPT presentation

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Title: Do Now: Verify the identity.


1
Do Now Verify the identity.
2
Academy Algebra II/Trig 8.5 (PC 5.5)
Multiple-Angle and Product-Sum
  • HWp.643-644 (

3
Double-Angle Formulas
4
Half-Angle Formulas
5
p.418 Use the figure to find the exact value of
the trig function.
6
p.418 Use the figure to find the exact value of
the trig function.
7
Use
to find
8
Find all solutions
9
Use
to find
10
Verify
11
Rewrite the expression using a double-angle
formula.
12
Rewrite the expression using a double-angle
formula.
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Review for Test p.422-423 (15-22, 25-94), p.424
(100, 102, 103)
  • Verify Identities
  • Solve Equations
  • Use sum and difference formulas
  • Find exact values of trig functions using sum and
    difference formulas, double-angle, and half-angle
    formulas
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