Match each of the trigonometric expressions below with the equivalent non-trigonometric function from the following list. enter the appropriate letter (a, b,c, d, or e) in each blank. a. tan(sin−1(x/5))b. cos(sin−1(x/5))c. (1/2)sin(2 sin−1(x/5))d. sin(tan−1(x/5))e. cos(tan−1(x/5))

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling