a. x=45°,y=13.1x=45°,y=13.1
b. x=30°,y=13.1x=30°,y=13.1
c. x=30°,y=13.12–√x=30°,y=13.12
d. x=45º,y=13.12–√

a x45y131x45y131 b x30y131x30y131 c x30y1312x30y1312 d x45ºy1312 class=