Question You are given that cos(A)=-13 with A in Quadrant II, and sin(B) = with B in Quadrant II. Find cos(A + B). Give
Posted: Sat Jul 09, 2022 2:13 pm
Question You are given that cos(A)=-13 with A in Quadrant II, and sin(B) = with B in Quadrant II. Find cos(A + B). Give your answer as a fraction. 25 Provide your answer below: