You are given that cos(A)=−3/5, with A in Quadrant III, and cos(B)=33/65, with B in Quadrant I. Find cos(A+B). Give your answer as a fraction.

step-by-step explanation:

assume that you have 3 different side lengths.   apply the pythagorean theorem here:   square each of the two shortest sides; call them a and b, so that their squares are a² and b².   also square the longest side, calling the result c².

now, if a² + b² = c² is true, the triangle is a right triangle; otherwise it is not a right triangle.

25/6 hope it : )

step-by-step explanation:

need more info

step-by-step explanation:

what do you mean by "representation"? graph? table? etc.