AQA Core 4 4.09 Express 2sin(x) + 3cos(x) in the form Rsin(x+alpha)

preview_player
Показать описание


Рекомендации по теме
Комментарии
Автор

Why do I learn more from this guy than I do my university professors :') Honestly I swear my professor just wrote the question down, deduced the formula sin(a+b) and said just solve from here.

piercecooke
Автор

Thank you so much! Really stuck on this and this made it all clear, cant thank you enough!

Aamonnater
Автор

The best explanation out there for this, thanks !

ForbesToby
Автор

What a guy without this man I was getting an E or a U now I might actually get a D

Theblueishlemon
Автор

i was perely alice in wonderland thanks for exapanding my brain that way

ANUNGOFRANKLLINB
Автор

Amazing video! I was least confident on this topic in Core 4 but the this video made me understand it much better, Thank You!

edwarda.
Автор

Useful video I was out of class today and this helped me to catch up

joyit
Автор

Thank you Sir you explain so well. Thanks once more.

kloranemballa
Автор

Thank you so much. I really appreciated your work.

veluri
Автор

Ooooo... Man thanks for nice explanation

williammrris
Автор

this video is really helpful thanks, how would you use this to find the minimum value at which x occurs please?

laurencool
Автор

I just subbed what alpha was into either of the two simultaneous, that alright to do ?

AdamSmith-pkxg
Автор

How would you find maximum and minimum using this method?

misan
Автор

Where does the cos x and and cos a come from (when expanding)?

nicklol