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Trigonometry Concepts Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What is the cotangent of pi/6 radians?

Question 2 2. Which of the following is the definition of tangent?

Question 3 3. What is cosine of 0 degrees?

Question 4 4. A triangle has side lengths 0.3, 0.4, and 0.5. Do these side lengths form a Pythagorean Triple?

Question 5 5. A flat screen television has a 50 inch diagonal and a height of 25 inches. How wide is the television?

Page 2

Question 6 6. A right triangle has one leg that measures 7 inches, and the second leg measures 10 inches. How long is the hypotenuse?

Question 7 7. What is the trigonometric ratio for tangent?

Question 8 8. In the pictured triangle, what ratio represents the cosine of theta?

Question 9 9. What is the trigonometric ratio for cosine?

Question 10 10. A ladder is 6 feet from a building. The building is 20 feet tall. The angle opposite the ladder is 90. How tall is the ladder?

Page 3

Question 11 11. How many sides of a triangle do you need to know in order to use the law of cosines?

Question 12 12. Which angle do you need to know in order to use the law of cosines to find an unknown side?

Question 13 13. Which exponent is used to denote the inverse trig functions?

Question 14 14. Which of the following answers is out of range for the arctangent function?

Question 15 15. Which answer do you get when you calculate an inverse trig function on a calculator?

Page 4

Question 16 16. Find angle A.

Question 17 17. When using the law of sines, what information do you need to find a missing angle?

Question 18 18. Find side c.

Question 19 19. What is x?

Question 20 20. What is x?

Page 5

Question 21 21. What is x?

Question 22 22. What's the value of 2sin(θ)cos(θ) given that the equation below is true?

Question 23 23. Simplify the following expression.

Question 24 24. What is the value of cos(θ) given that the equation below is true?

Question 25 25. What is the definition of secant?

Page 6

Question 26 26. A right triangle has one leg that measures 13 centimeters, and the hypotenuse is 17 centimeters. How long is the missing leg?

Question 27 27. What is the acronym to remember sine, cosine and tangent?

Question 28 28. What shape does the law of cosines help you to solve?

Question 29 29. What is the range of the inverse cosine function?

Question 30 30. What kinds of triangles does the law of sines work for?

Trigonometry Concepts Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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