Given that cosA=85−13 with A in Quadrant III and cosB=178 with B in Quadrant I, find cos(A+B) 54 none of these 1445−1
Posted: Thu Jul 14, 2022 4:01 pm
- Given That Cosa 85 13 With A In Quadrant Iii And Cosb 178 With B In Quadrant I Find Cos A B 54 None Of These 1445 1 1 (13.01 KiB) Viewed 41 times