Advance Illustrations - Shortest Distance Between Two Planes | Kinematics #32 for JEE Advanced

In this video Ashish Arora Sir has taken up a case of Shortest Distance Between Two Planes.

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[Betterthanoutliers]

Those who are having problems in writing the sin alpha wali term, make a traingle of alpha angle with perpendicular as u2sin(theta) and base as u1+u2cos(theta). Then find hypotenuse and use sin alpha = p/h.

[navadeepmg]

How is sin α's eqn. found here, can anyone help me?

[mrrandom]

can i be able to crack jee advance if i just learn this results

[drujjawalrathore]

Sir this type of question was asked in AIPMT 2015. Does that mean I've to watch all of your adv. Series videos for NEET?

[tilakrajnarang]

I did differently by writing coordinates at time t and used calculus to find the min value, to get the same result

[newmood]

Sir from where did that sin alpha come from?

[vdproductions]

Sir hete in the vector triangle u1 is negative
So shouldnt it become - u1 +u2 cosø

[avishekkumarbanerjee]

from where sin a <alpha > eqn came from sir

[SagarKumar-occo]

many students still thinking but i have done. super easy. my teacher teach me least distance concept.