Tìm giá trị lớn nhất của hàm số y = sin2x - 4sinx + 8

Using d, e, and f as values on a triangle and d being 60 degrees, what is the value of e and f if d is 60 degrees? also, what do you notice about the values of e and f?

How many 2/5s are in 1 and 1/2 plz someone me right now

Car a and car b were in a race .the driver of car b claimed that his car was twice as fast as car a