Which statements are true? Select the five correct answers. PLS HELP !!

Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).

Find the value of the cosine for angle a

If sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then