Find which of the given properties apply to graph of y=sinx:
1. range is (-infintiy, infinity)
2. x-intercepts are of form npi/2, where n is the odd interger
3. fraction gets the relative maximum at x=pi/2 + npi, where n is the interger
4. function gets the relative minimum at x=3pi/2 + 2npi, where n is the interger
Find which of the given properties apply to graph of y= cos x:
1. y-intercept is 1
2. x-intercepts are of form npi, where n is interger
3. function gets the relative minimum at x= pi + 2pin, where n is interger
4. function is decreasing on interval (pi/2,3pi/2)
Find which of the given properties apply to graph of y=tan x:
1. Domain is all real numbers except integer multiples of pi.
2. Principal cycle of the graph occurs in the interval (0,pi)
3. Equations of the vertical asymptotes are x = npi/2, where n ia odd interger.
4. X-intercepts are of form npi, where n is an interger.