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# Alg2 lesson 13-1

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### Alg2 lesson 13-1

1. 1. Trigonometric ratios<br />Sine sin<br />Cosine cos<br />Tangent tan<br />Cosecant csc<br />Secant sec<br />Cotangent cot<br />
2. 2.
3. 3. SOH<br />CAH<br />TOA<br />
4. 4.
5. 5. Find the value of the six trigonometricfunctions for angleG.<br />adj<br />opp<br />hyp = 40<br />opp = 24<br />adj = 32<br />hyp<br />Example 1-1a<br />
6. 6. adj<br />opp<br />hyp<br />Example 1-1b<br />
7. 7. If find the value of cscA.<br />Example 1-2a<br />
8. 8. Special Triangles (page 703)<br />
9. 9. Find the value of x. Round to thenearest tenth. <br />hyp<br />opp<br />or about 10.4<br />Example 1-3a<br />
10. 10. Solve XYZ. Round measures of sides to thenearest tenth and measuresof angles to the nearestdegree.<br />z<br />x<br />Find Y<br />28 + 90 + Y = 180<br />Y = 62o<br />hyp<br />opp<br />adj<br />Example 1-4a<br />
11. 11. Solve XYZ. Round measures of sides to thenearest tenth and measuresof angles to the nearestdegree.<br />z<br />x<br />Find x<br />hyp<br />opp<br />adj<br />
12. 12. Solve XYZ. Round measures of sides to thenearest tenth and measuresof angles to the nearestdegree.<br />z<br />x<br />hyp<br />opp<br />adj<br />Find z<br />11<br />z<br />Example 1-4a<br />