Alg2 lesson 13-1
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This document defines six trigonometric ratios and their abbreviations. It provides examples of using trigonometric functions to solve for unknown sides and angles of right triangles. Specifically, it gives the definitions of sine, cosine, tangent, cosecant, secant, and cotangent. It also reviews trigonometric identities like SOH CAH TOA and provides 4 examples of using trigonometric functions and identities to solve right triangles.
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Alg2 lesson 13-1
- 1. Trigonometric ratiosSine sinCosine cosTangent tanCosecant cscSecant secCotangent cot
- 3. SOHCAHTOA
- 5. Find the value of the six trigonometricfunctions for angleG.adjopphyp = 40opp = 24adj = 32hypExample 1-1a
- 7. If find the value of cscA.Example 1-2a
- 8. Special Triangles (page 703)
- 9. Find the value of x. Round to thenearest tenth. hypoppor about 10.4Example 1-3a
- 10. Solve XYZ. Round measures of sides to thenearest tenth and measuresof angles to the nearestdegree.zxFind Y28 + 90 + Y = 180Y = 62ohypoppadjExample 1-4a
- 11. Solve XYZ. Round measures of sides to thenearest tenth and measuresof angles to the nearestdegree.zxFind xhypoppadj
- 12. Solve XYZ. Round measures of sides to thenearest tenth and measuresof angles to the nearestdegree.zxhypoppadjFind z11zExample 1-4a