Question

Vector Upper A Overscript right-arrow EndScripts has a magnitude of 75 units and points due west, while vector Upper B Overscript right-arrow EndScripts has the same magnitude and points due south. Find the magnitude and direction of (a) Upper A Overscript right-arrow EndScripts plus Upper B Overscript right-arrow EndScripts and (b) Upper A Overscript right-arrow EndScripts minus Upper B Overscript right-arrow EndScripts. Specify the directions relative to due west.