trigonometry

Use trigonometry (SOH CAH TOA) to write each ratio. B 13. tanA= 29 21 14. cos A = А 20 с B 15. sin B = 17 8 16. cos B = A 15 Use trigonometry to find the value of the variable. If the variable is a side of a triangle, round to the nearest tenth. If the variable is a degree, round to the whole degree. X 13 A 7 64 30 17. 18. X = X = 40° 13 2 20 X 12 19. 20. X = X= Geometry Chapter 9 test Name Use Pythagorean Theorem to find the value of the variable. х 12 14 X ם 16 1. 2. 13 X = X = 61 12 11 X 3. 4. 9 X = X = Using the converse of the Pythagorean Theorem to determine if the triangles are acute, obtuse or right. 5. 9, 40, 41 6. 10, 16, 20 7. 12, 15, 18 8. 5, 12, 13 Use special right triangles to find the values of the variables. 60 30 20 X 30 45 y y 9. x = 11. X = 10. y = 12. Y =
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