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

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

A

P lies on the line segment RQ

B

Q lies on the line segment PR

C

R lies on the line segment QP

D

P, Q, R are non-collinear

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The correct Answer is:
D
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