PLETETION. A. Complete the sentences by fill in the blank. focuses on relationships of sides and angles of a triangle 2. A circle is comprised of 360, which is called one 3. 4. Angles are formed by an initial side and a 5. One revolution measured in radians is 2, where n is the constant approximately are used primarily to describe the size of an angle. B. Complete the table below. Trigonometric Ratio Definition adjacent hypotenuse hypotenuse opposite cosine e 6. cotangent 0 7. secant 0 8. oppposite hypotenuse opposite adjacent 9. 10. II. MULTIPLE CHOICES. Read and analyze the questions carefully. Choose the letter of the correct answer and write it on the blank before each number. 1. What trigonometric ratio corresponds to the ratio of the side opposite an acute angle in a right triangle to its hypotenuse? A. Sine B. Cosine C. Tangent D. Secant 2. In AECQ, LQ is a right angle. Which side of the triangle is the hypotenuse? A. EC 3. Which of these trigonometric ratios is the reciprocal of sec 0? A. sin 0 4. In AFGH, mzH = 90°, GH = 7cm, HI =24cm, and GI = 25cm. Which of the following ratios represents tan H? В. СО С. ЕО D. None of the above B. cos 0 C. tan 0 D. csc 0 25 24 A. B. C. D. 10 5. Which of the following statements is INCORRECT? 6. A. sin N = B. cot S = 4 C. sec N = 5. D. tan N = 4 8 6. What trigonometric ratio corresponds to the ratio of the side adjacent to the acute angle in a right triangle to the side opposite to it? A. Sine B. Cosine C. Tangent D. Cotangent 7. Given ASOC where zC is a right angle; which side is opposite to angle S? C. OC A. SC B. SO D. None of the above 8. In ASCI, mej = 90°, SI = 20cm, JD = 21lcm, and SD = 29cm. Which of the following ratios represents sin S? 21 A. 29 29 В. 21 29 С. 20 20 D. 29