Two sides of a triangle have lengths 7 m and 8 m. The angle between them is increasing at a rate of 0.06 rad/s. Find the rate at which the area of the triangle is increasing when the angle between the sides of fixed length is 60°.
a) 10.74 m2/s
b) 0.94 m2/s
c) 0.84 m2/s
d) 1.4 m2/s
e) 1.18 m2/s