ok i think i get it, so you would get a different alpha if using sin instead of cos, but its the same equation, its just that one is more convenient in some circumstances.
Hi, what's the difference between the general formulas : b + acos(nt + alpha ) and b + asin(nt + alpha) when do I use either one. Please provide an example.
Ok, so I need a 3u/4u maths tutor for the HSC of 2009 (the one coming up). Preferebly someone who lives in the hills district, but I can travel out to as far as Hornsby to Strathfield and around Parramatta.
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I am in a state of conflict. I like maths, phys and chem... but I also do engineering studies, and I find it bland and boring. Should I do engineering at Uni?
yes i know this..
i dont get it..., what does f'(2) = 6 mean.
What i want to know is how you can tell where f''(x) is negative or positive by just looking at the the graph of f(x)
Hi im really confused with this stuff, please help
This is the worksheet im currently doing.
sorry its a bit big, and basically i am confused about what second derivative and first derivative measures.
say for Question 2v , where is it negative? (i have the answers but don't know how to...