Question

Distance between (a cos 25,0)and(0, a cos 65)

Answer 1

Cos65°=sin25°

$distance \: formula \ \: : \: \sqrt{ {(x2 - x1)}^{2} } + \sqrt ( {y2 - y1}^{2})$Distance=√(0-acos25°)^2+(asin25°-0)^2

= √acos^25+asin^25

(sin^2O+cos^2O=1)

=√1

=1 units