Quick Easy Question?

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January 26th 2009, 06:42 PM
katchat64

Quick Easy Question?

Which trig function is 1+cos? Don't remember....
January 26th 2009, 06:48 PM
Larrioto

are you talking about identities ?
January 26th 2009, 06:50 PM
katchat64

Yes... I am talking about identities... and another question does anyone happen to know the identity of 1/sinx?
January 26th 2009, 06:57 PM
Larrioto

identities are squared and they are :

$sin^{2}x+cos^{2}x=1$
$1+cot^{2}x=cosec^{2}x$
$tan^{2}x+1=sec^{2}x$
January 27th 2009, 09:21 AM
PanZerOlas

Quote:

Originally Posted by katchat64

Yes... I am talking about identities... and another question does anyone happen to know the identity of 1/sinx?

$1/sen(x)=cosec(x)$

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