Posted by olivia on Friday, March 23, 2012 at 8:08pm.
LS = cotx cotx
= cot^2 x
≠ RS
This is not an identity the way you typed it
if you meant
cosx/(sinxcotx) = 1
LS = cosx/(sinxcosx/sinx)
= cosx/cosx
= 1
= RS
See how important it is to use brackets when typing in this way ?
I apologize 4 the typo, that's how the work was given to me.
But thanks alot!
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