please make sure you express it so i can verify and understand it; thank you

Explain what these expressions might be used for: si?: " (0) . cos-1 (2), and ton-1 (8) BIVE S'S. TO They ink uhid for irwinse equalions and to find the big withat G question 2 [1 point Question #2a: Which of the equations below Is the correct set-up that you would use to solve this problem? a. o a tan 0 b sin ton- Question 3 12 points) Questions #2b and #2c: b.) The inverse ratio that would need to be used to solve for angle 8 would be Inverse (inverse sin, Inverse ons, Inverse tank. The measure of 8 Is _". Round do the nearest tenth. c.) The Inverse ratio that would need to be used to solve for angle 8 would be Inverse Inverse sin, Inverse cos, Inverse tank The measure of B Is ". Round do the nearest tenth. Blank 1: sin Blank 2: |6 Blank 3: |cos Blank 4 Question 4 13 points) Question #2d: Show how to set up an equation to solve for B. State your solution In degrees rounded to the nearest tenth. d. BIVE s's, Wan