Use the fact that there are 2pi radians in each circle to find another angle, smaller than 2pi, that is equivalent to 13pi/4

30 pts, will mark brainliestwhat is the period of the sinusoidal function? (picture 1)what is the minimum of the sinusoidal function? (picture2)what is the maximum of the sinusoidal function? (picture 3)

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.

10x − 5y + 14 = 0 whats the answer pls