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October 21, 2016
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Pre-Cal
Posted by
Hannah
on
Friday, March 5, 2010
at 5:42pm.
Simplify the expression
1/tan^2x+1
tan^2x+1 = sec^2x = 1/sec^2x
I am not sure what 1/sec^2x is equal to
Pre-Cal -
bobpursley
, Friday, March 5, 2010 at 6:17pm
1/sec = cos
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