Question

The distance between the points (cosø,sinø) and (sinø-cosø)

Answer 1

Answer:

Step-by-step explanation:

let x is distance between (cosø,sinø) and (sinø-cosø)

x2=(cosø-sinø)² +(sinø+cosø)²

=cos²ø+sin²ø-2sinøcosø+sin²ø+cos²ø+2sinøcosø

=2(cos²ø+sin²ø)=2*1=2

x²=2

x=√2 units