What is the distance between the points P(m\cos2\alpha,m\sin2\alpha) and Q(m\cos2\beta,m\sin2\beta) ? [NDA II 2019]

Correct Answer is : |2msin(α−β)|

NDA Math Coordinate System and Straight Line

Question : 25 of 92

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What is the distance between the points P(m‌cos‌2‌α,m‌sin‌2‌α) and Q(m‌cos‌2‌β,m‌sin‌2‌β) ?

[NDA II 2019]

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