Homework Soursethe xcoordinates of points P and Q shown in the figure below
the x-coordinates of points P and Q shown in the figure below, assuming that the curve is a sine curve. [Hint: Find a formula for the curve.] P Q of P is The x of Q is SHOW HENT ![the x-coordinates of points P and Q shown in the figure below, assuming that the curve is a sine curve. [Hint: Find a formula for the curve.] P Q of P is The x](/WebImages/14/the-xcoordinates-of-points-p-and-q-shown-in-the-figure-below-1018309-1761526392-0.webp "the x-coordinates of points P and Q shown in the figure below, assuming that the curve is a sine curve. [Hint: Find a formula for the curve.] P Q of P is The x")
Solution
22)
Given 5*cos(x + 2) = 2
cos(x + 2) = 2/5 = 0.4
x + 2 = arccos(0.4) = 66.4, 293.6 degree = 1.16, 5.12 radians
Then x = 1.16 – 2 = -0.84
And x = 5.12 – 2 = 3.12
