This lesson describes the process for finding arc lengths of parametric curves. Several examples are presented.
Learn all about the different trigonometric identities and how they can be used to evaluate, verify, simplify and solve trigonometric equations. The identities discussed in this playlist will involve the quotient, reciprocal, half angle, double angle, pythagorean, sum and difference. Identities help us rewrite trigonometric expressions #trigidentities #simplifytrigidentities
It was a famous problem for many years – until a physics genius solved it all the way to infinity. Featuring author Alex Bellos – more links below. Extras from this interview: https://youtu.be/jv8dITbiheQ More Numberphile videos with Alex: http://bit.ly/Bellos_Playlist Alex’s recent book about puzzles (including the Four 4s): http://amzn.to/2jRo0n2 More Alex books: http://bit.ly/BellosBooks With a…
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