Product Rule & Tangent on the TI-89: Raw Transcript
Ok I’m going to do in this video a product rule
with regards to tangent let’s get started
uhm ok to get to my menu you have to press second
alpha put the letters i n d e x in there
press alpha and put the eight and the open and closed parenthesis
press enter and you are into my menu we scroll up or down to where ever you want
but right now I want to get to product rule so I’m going to scroll up to product rule
I show you the formula make sure you write everything down
on your paper just like you see it here you get extra credit
and you get certain partial credit for everything so
ahh you have to press alpha before you enter anything into
my menu lines here so let’s put
alpha x squared times the gold key ya know tangent let’s say two times x
press enter I always show you what you’ve entered
so you can check it if you want and change it if you want
but I say it’s ok and we’re into the menu
notice it converts tangent to the identity and this is always fun to
put this down on your test and get a hundred percent on it
or homework ahh pretty neat huh
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