Straight Line Question 209
Question: Let $ 0<\alpha <\pi /2 $ be a fixed angle. If $ P(cos\theta ,sin\theta ) $ and $ Q(cos(\alpha -\theta ),sin(\alpha -\theta )), $ then Q is obtained from P by the
Options:
A) Clockwise rotation around the origin through an angle $ \alpha $
B) Anticlockwise rotation around the origin through an angle $ \alpha $
C) Reflection in the line through the origin with slope $ \tan \alpha $
D) Reflection in the line through the origin with slop $ \tan (\alpha /2) $
Correct Answer: DShow Answer
Answer:
Solution:
BETA
