Question

1) The distance between the points ( cos, sin ) and ( sin, - cos ) is​

Answer 1

Answer:

Distance between the point (cosθ,sinθ) and (sinθ,−cosθ) is :

=

(sinθ−cosθ)

2

+(−cosθ−sinθ)

2

=

1−2sinθcosθ+1+2sinθcosθ

(cos

2

θ+sin

2

θ=1)

=

2