No HW, Start Studying For Test

1
Academy Algebra II 14.7 (PC 5.5)
Multiple-Angle and Product-Sum

• No HW, Start Studying For Test

2
Double-Angle Formulas
3
Half-Angle Formulas
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p.418 Use the figure to find the exact value of
the trig function.
5
p.418 Use the figure to find the exact value of
the trig function.
6
Use
to find
7
Academy Algebra II 14.7 (PC 5.5)
Multiple-Angle and Product-Sum

• HWp.959-960(8,14,18,22,24,34,40,44)

8
Find all solutions
9
Verify
10
Rewrite the expression using a double-angle
formula.
11
Rewrite the expression using a double-angle
formula.
12
Use
to find
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Review for Test

• 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