In: Math
Part I
Which of the following are positive in the second quadrant?
A. sec and cos
B. tan and cot
C. sin and csc
D. sec and csc
Which of the following pairs have the first function positive and the second function negative in the third quadrant?
A. cos and sec
B. tan and cos
C. sin and cot
D. csc and sin
Part II
Which of the following are positive in the first and second quadrants?
A. sin and csc
B. tan and cos
C. sec and sin
D. cot and sec