In the first quadrant, sin and cot are positive. true or false
cos is negative and tan is positive in the third quadrant. true or false
(5, -12) is located in the second quadrant. true or false
sin and csc are positive in the first and second quadrants. true or false
in which quadrant is 0 located if sin0 is negative and tan0 is negative?
i
ii
iii
iv