Which of the following expressions will produce the area of one petal of the curve r = 5 cos 3θ? A) 6 times the integral from 0 to pi over 3 of sine squared of 3 times theta, d theta
B) 6 times the integral from 0 to pi over 6 of 25 times the cosine squared of 3 times theta, d theta
C) 25 times the integral from 0 to pi over 6 of cosine squared of 3 times theta, d theta
D) the integral from 0 to 2 times pi over 3 of the cosine of 3 times theta, d theta