An Introduction to TRIGONOMETRY QUIZ Complete the quiz. Then check your answers by scrolling down. All questions use the following triangle: What is the length of the opposite side? What is the name of the fraction when dividing 9 by 15? What is the reduced fraction value of cos 37? (Use the '/' key to make a fraction.) 9/12 is which trig fraction? Which is the adjacent side? Scroll down to check your answers. 9        sin37 (you must include the 37)        4/5        tan37        12 Trigonometry page 1 | Trigonometry page 2 | Trigonometry Quiz BACK