How to slice for missing angles

Evaluate the integral. (sec2(t) i t(t2 1)8 j t7 ln(t) k) dt

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Identify the converse of the following conditional: if a point is in the first quadrant, then its coordinates are positive. if the coordinates of a point are not positive, then the point is not in the first quadrant. if the coordinates of a point are positive, then the point is in the first quadrant. if a point is in the first quadrant, then its coordinates are positive. if a point is not in the first quadrant, then the coordinates of the point are not positive.