Directions: Read and analyze each item. Write the letter of the correct answer on the space provided before each number. 1. What is the function that is equal to the ratio of the side opposite a given angle to the hypotenuse? A. Sine B. Cosine C. Tangent D. Cosecant 2. What is the function that is equal to the ratio of the side adjacent of an acute angle to the hypotenuse? A. Sine B. Cosine C. Tangent D. Cosecant 3. What is the main Trigonometric ratio between the opposite side and adjacent side of a right triangle? A. Sine B. Cosine C. Cosecant D. Tangent 4. What is the reciprocal of sine? A. Cotangent B. Secant C. Cosecant D. Tangent 5. What is the ratio of the hypotenuse to the side adjacent to a given angle in a right triangle? A. Secant B. Cosecant C. Cotangent D. Tangent 6.What is the reciprocal of tangent? A. Cosecant B. Secant C. Cosine D. Cotangent 7. What is the side in front of an angle? A. Adjacent side B. Hypotenuse C. Opposite side D. Initial side 8. What is the side next to the angle? A. Opposite side B. Hypotenuse C. Adjacent side D. Initial side 9. What is the longest side of a right triangle? A. Hypotenuse B. Opposite Side C. Adjacent side D. Initial side 10. What is the branch of Mathematics that deals with triangles? A. Trigonometry B. Algebra C. Statistics D. Probability