Maximum and Minimum Values of Sine and Cosine Functions, Ex 2

[sarazuu]

how would you do it algebraically?

[sarazuu]

cospi is not equal to -1..... i'm so confused

[MiturBinlsderty]

i really like ur videos, but one question: why do you do this? For fun? You like to help? Im just curious. xD

[patrickJMT]

@MiturBinlsderty im just a nice guy i guess

[bakingbaker]

It's been a couple of yours since I've done calculus but couldn't I just take the derivative, find the zeros and plug those answers into the original problem?

[patrickJMT]

@bakingbaker yes, you could, but that is hard to do if you are only starting trigonometry : ) (the target audience here)

[bakingbaker]

@patrickJMT Ahh understood, I was under the impression it was for calc 1.

[IAINMAN96]

Great. You explain really good. I'm in 8th grade, but i fairily understood what you said.