# Tips to be a better problem solver [Last lecture] | Lockdown math ep. 10

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From 3Blue1Brown.

Tips on problem-solving, with examples from geometry, trig, and probability.
Past episodes with integrated quizzes: https://itempool.com/c/3b1b
Brought to you by you: https://3b1b.co/ldm-thanks
Huge huge thanks to Ben Eater: https://www.youtube.com/user/eaterbc
And Cam Christensen, creator of ItemPool: https://itempool.com/

Notes by Ngân Vũ:

Mistakes:
50:35, there should be a dx in the integral
54:40, if you notice the mistake here and are inclined to complain, keep watching

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Video timeline (thanks to user "noonesperfect")
0:34 9-Problem Solving Principles/Tip
1:15 Question 1 (Probability)
2:08 Who is Ben Eater?
4:25 Inscribed angle theorem, θL=2*θs
5:58 Tip-1
7:48 Tip-2
8:16 Question 2
10:29 Tip-3
15:17 Tip-4
22:48 Question 3
27:28 Explanation for Q1, Floor function
30:38 Tip-5
32:53 Tip-6
33:36 Question 4
36:37 Question 5
41:48 Probability graph in Desmos
44:08 Revisiting an alternating series sum for ln(2)
47:29 Tip-7
51:08 Tip-8
55:23 Audience questions through tweets
57:28 Tip-9
58:29 Python programming for various probability question
1:04:31 Arts created using Desmos graph tool with mathematical expressions
1:05:54 Thank you, appreciation to the team and all.
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