Question

Y=asinA+bsinA求Y的最值打错了是Y=asinA+bcosA

Answer 1

y=asinA+bcosA

=根号下(a^2+b^2)sin(A+arctan(b/a))

最大值根号下(a^2+b^2),最小值-根号下(a^2+b^2)