Which of the following expressions are equal to -1 ? Select all that apply. 2 C] A. mg 3 C] B. mg 4 Cl 0. mg 3 C] D. m3 If e is the smallest angle in a right triangle with side lengths of 3, 4, and 5 units, then what does sin 0 equal? O A. O B. uilw O C. Ula O D. WIUA kite is being flown at a 45* angle with the ground. The length of the string between the person and the kite is 100 ft. long. How high is the kite vertically above the point at which the string is being held? O A. 50 ft. O B. 501/2 ft. O C. 5013 ft. O D. 100 ft.\fWhich angle, 6, forms the point on the unit circle with the coordinates [,] ? O A. 30 0 B. 45\" O C. 60 0 D. 90