Which inverse functions have a domain of [-1,1] ? Select all that apply. O A. y = cos-1 x O B. y= cot ] x O C. y= csc-1 x O D. y= sec~ x O E. y= sin 1 x O F. y= tan-1 xSuppose you wanted to give a cosine function an inverse by restricting its domain to [7,*] for some value of k. What should the value of k be? O A. 317 O B. O C. 217 O D. 371 2Cesar is building a shelf at an angle so that it appears to be leaning against the wall. The shelf touches the wall 7 ft. above the floor and the distance along the floor from the wall to the front of the shelf is 1.5 ft. What is the angle the shelf makes with the floor? O A. 77.90 O B. 77.6" O C. 12.1 O D. 12.4A15ft. building casts a shadow of 12 ft. What is the approximate angle of inclination of the sun? 0 A. 513" O B. 53.1\" 0 C. 36.9 O D. 192