- #26

- 98

- 9

and calculus approach??I'm not sure about that. Using Snell's law was a clever idea, but maybe you should check with some conventional calculus.

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- Thread starter IamVector
- Start date

- #26

- 98

- 9

and calculus approach??I'm not sure about that. Using Snell's law was a clever idea, but maybe you should check with some conventional calculus.

- #27

- 19,379

- 10,860

If you got the answer using Snell's law, then great. That was very good.and calculus approach??

- #28

- 98

- 9

is calculus approach has something to do with properties of right angle and Pythagoras theorem?I'm not sure about that. Using Snell's law was a clever idea, but maybe you should check with some conventional calculus.

- #29

- 98

- 9

ohk moving on to next ques thanks for help :)If you got the answer using Snell's law, then great. That was very good.

- #30

- 19,379

- 10,860

is calculus approach has something to do with properties of right angle and Pythagoras theorem?

Using calculus you need to minimise ##(1 + \frac w v) \sec \alpha - \frac u v \tan \alpha##. Which you do by usual differentiation method.

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