Question

Find the distance between the points (a cos 35°,0) and (0, a cos 35°)​

Answer 1

Answer:

acos35o,0) and (0,acos55o)

=(x2−x1)2+(y2−y1)2

=(0−acos35o)2+(acos55o−0)2

=a2(cos235o+cos255o)[cos90−55=sin55]

=a2(1)=a