Given tan theta =4/3 and sin theta =-4/5, find cos theta

Suppose m: angle a =77 degrees what is the measure of a complement of a complement of angle a, what is a conclusion you can draw about a complement of a complement of an angle

0. a square do not enter sign has a height and width of feet. will the area of the sign be greater than or less than 2 1/2 square feet? explain how you know and then find the actual area.

What is the discriminant of 3х^2 + 6x = 2?