Precalculus 5.5 Multiple-Angle and Product-to-Sum Formulas

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Learn multiple-angle formulas, power reducing formulas and all the rest!

Video Chapters:
0:00 Intro
0:05 Where are we going with this...
1:37 Multiple Angle (Double Angle) Formulas
5:00 Power-Reducing Formulas
8:09 Product-to-Sum Formulas
9:15 Sum-to-Product Formulas
10:33 Application
13:58 Up Next

Playlist Text: Precalculus, 11e, Ron Larson

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hello ma'am, I have a request for u, I am a student with learning disability who for the first time in his university life has scored more than 80% in a course and this has been the Discrete Mathematics course and it's all thanks to u

Unfortunately u don't have everything on ur channel

Can I please ask u to make a video about cardinality of sets, countable, countably infinite and uncountable sets

And solving questions like these for example

Determine whether each of these sets is countable or uncountable.
For those that are countably infinite, exhibit
a one-to-one correspondence between the set of positive
integers and that set.
a) integers not divisible by 3
b) integers divisible by 5 but not by 7
c) the real numbers with decimal representations consisting
of all 1s
d) the real numbers with decimal representations of all
1s or 9s


Please make it within a week if possible, I will forever be thankful to u

abadhussain