6.5 Double-Angle and Half-Angle Formulas. Theorem Double-Angle Formulas.
6.5.2 half angle formulas
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Transcript of 6.5.2 half angle formulas
- 1. Use Half-Angle Formulas to find Exact Values
6.5 Half-Angle Formulas - 2. Sine Half-Angle Formula
Determined by
The location of
half the angle - 3. Find the exact value
Given
Find - 4. Find the exact value
Given
Find - 5. Cosine Half-Angle Formula
Determined by
The location of
half the angle - 6. Find the exact value
Given
Find - 7. Find the exact value
Given
Find - 8. Use half-angle formula to find the exact value
- 9. Tangent Half-Angle
Determined by
The location of
half the angle - 10. Additional formulas
- 11. Use half-angle formula to find the exact value
- 12. Assignment
p. 491 # 7 - 11 odd (c,d), 19 - 23 odd, 48