Shadow Related Rate

An example where a man walks towards a building

[samuelrosenberg]

Thank you so much for making this video, really helped me when studying for a test.

[jkstudyroom]

Really nicely done. Found it to be most helpful and your explanations were excellent!!!

[hipgirl]

i find that the man is always tall as hell. question on what you are trying to find...is it dx/dt or something else

[miraypolat]

ı think derivative is wrong bec the derivatives of the constant values always must be 0 . Can you explain what are you doing at this moment ? bec ı m totaly confused