Practice problem
Find the maximum value of f(x)=cos(2x)+2sinxf(x) = \cos(2x) + 2\sin xf(x)=cos(2x)+2sinx on the interval [0,π2][0, \frac\pi2][0,2π].
12\frac1221
111
32\frac3223
222
Type a concept, like “slope” or “photosynthesis”.
