Question

find co ordinate distance
(v) (a sin 0, a cos 0); (a cos 0, - a sin o)​

Answer 1

Answer:

Formula=>

$\sqrt{(x_{2}-x_{1} )^{2}+ (y_{2}-y_{1} )^{2} }$

since sin(0)=0 & cos(0)=1,

=$\sqrt{(a(1)-a(0))^{2} +(-a(0)-a(1))^{2}}$

=$\sqrt{2(a^{2} )}$

=a$\sqrt{2}$