An engine has a seven-inch connecting rod fastened to a crank (see figure).

(a) Use the Law of Cosines to write an equation giving the relationship between x and θ.
(b) Write x as a function of θ. (Select the sign that yields positive values of x.)
(c) Use a graphing utility to graph the function in part (b).
(d) Use the graph in part (c) to determine the total distance the piston moves in one cycle.

Transcribed Image Text:

7 in. 1,5 in. ө nnqnn —х —