Rewrite sin^4xtan^2x in terms of the first power of the cosine

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.

How do you convert 1.27 to a percentage

What number should be added to the expression x^2+3x+ in order to create a perfect square trinomial? 3/2 3 9/4 9