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Consider three points P-= (-sin (beta-al...

Consider three points `P-= (-sin (beta-alpha), -cos beta), Q-= (cos (beta-alpha), sin beta) and R -= (cos beta-alpha+theta), sin (beta-theta))`, where `0 lt alpha, beta, theta lt (pi)/(4)`. Then:

A

`P` lies on the line segment `R Q`

B

`Q` lies on the line segment `P R`

C

`R` lies on the line segment `Q R`

D

`P, Q, R` are non collinear

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The correct Answer is:
D
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