What is the measure of the missing angle?

The trigonometric ratios sine and secant are reciprocals of each other

Fracisco's game involves 3 green, 2 yellow, 4 red, and 3 black marbles. if he randomly draws three marbles from the bag, without replacement, what is the probability that he will draw yellow, and then red, and then black? a)1/192 b)1/72 c)3/220 d)1/55

What is the difference between a linear interval and a nonlinear interval?