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# 8 6 Sin Cos Ratios Noted

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### Transcript

• 1. 8-6 The Sine and Cosine Ratios
• 2. Review Tangent X Z Y opp adj hyp
• 3. Tangent example X Z Y a 14 34 Í¦
• 4. What about the hypotenuse? X Z Y a 14 34 Í¦ c
• 5. Sine X Z Y opp adj hyp
• 6. sin 24 Â°= ?
• 0.4023
• 0.9135
• 0.4067
• 0.4463
0 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
• 7. sin ___ = 0.4856
• 26 Â°
• 29 Â°
• 45 Â°
• 0.0085
0 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
• 8. Solve for x.
• 2.3
• 2.0
• 3.3
• 2.8
X 9 23 Â° 0 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
• 9. Cosine X Z Y opp adj hyp
• 10. cos 24 Â°= ?
• 0.4023
• 0.6754
• 0.9135
• 0.4463
0 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
• 11. Solve for x.
• 17
• 5
• 13
• 14
X 12 23 Â° 0 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
• 12. How are we going to keep this all together?
• 13.
• 14. SOHCAHTOA
• 15. SPICSA Page 314 2-16 even