Question

the distance between A (cos teeta,sin teeta) and B(-sinteeta,cos teeta is​

Answer 1

Answer:

$\sqrt{2 }$

Explanation:

$\sqrt{( - sin(a) - \cos(a) ) {}^{2} + \cos(a) - \sin(a) {2} }$

$\sqrt{1 + 1}$

$\sqrt{2}$