Consider and the constant function on the interval

MATHEMATICS · Subjective · AP · Calculus AB · Limits and Continuity · Limits and Continuity

Problem

Consider

f(x)=\cos x

and the constant function

g(x)=0.3

on the interval

[0,\pi/2]

. Determine whether the equation

f(x)=g(x)

has at least one solution in this interval, and state your conclusion.