In AABC, ZC is a right angle and BC = 11. If myB= 30* , find AC. O A. 11v/3 3 O B. V3 11 O C. 11 O D. 1143 2Which of the following angles has a reference angle of 21 ? 12 O A. 497 12 O B. 197 12 O C. 75x 12 O D. 29x 12Your town's public library is building a new wheelchair ramp to its entrance. By law, the maximum angle of incline for the ramp is 4.76\". The ramp will have a vertical rise of 1.5 ft. What is the shortest horizontal distance that the ramp can span? 0 A. 11.5ft. O B. 2.6ft. O C. 7.1 ft. 0 D. 18.0 ft. Find the exact value of see 3 if eutE = 2 and the terminal side of 9 lies in quadrant IV. Which of the following has the same value as cos ? Select all that apply. 3 O A. cos 6 B. COS 3 O C. sin 3 O D. sin 6 O E. 117 COS 6Which trigonometric function is equivalent to f ( x) = sin x? O A. f ( x) = cos x+ 2 O B. f ( x ) = cos x+ O C. fix)= cos -X- O D. f (x) = cos(x-#)Which trigonometric function requires a domain restriction of [0, x] to make it invertable? O A. f( x) = sinx O B. f(x) = cosx O C. f(x)=tanx O D. f(x) = CSCX O E. f(x) =secx O F. f(x) = cotxWhat is the horizontal shift of the function y = 4sin (2x - >) ? O A. 7 units to the right O B. X units to the right O C. A units to the right O D. A units to the right\fThe sides of a triangle are 17 ft., 19 ft, and 15 ft. Find the measure of the angle opposite the longest side. Round your answer to the nearest degree. 0 A. 107" O B. 73 0 C. 59" O D. 49"