Question

Y=2SIN(2X-π/3)+1/2的最大值、最小值及最大值、最小值的集合

Answer 1

y=2sin(2x-π/3)+1/2

ymax=2+1/2=5/2

2x-π/3=2kπ+π/2

x=kπ+5π/12

ymin=-2+1/2=-3/2

2X-π/3=2kπ-π/2

x=kπ-π/12