Given cos(x)=3/5 with 0°
Posted: Thu Jul 07, 2022 2:25 pm
Given cos(x)=3/5 with 0°<x<90° and cos(y)=24/25 with 270°<y<360° find cos(x+y)
Posted: Thu Jul 07, 2022 2:25 pm
Given cos(x)=3/5 with 0°<x<90° and cos(y)=24/25 with 270°<y<360° find cos(x+y)