# Quick Easy Question?

• January 26th 2009, 07:42 PM
katchat64
Quick Easy Question?
Which trig function is 1+cos? Don't remember....
• January 26th 2009, 07:48 PM
Larrioto
are you talking about identities ?
• January 26th 2009, 07:50 PM
katchat64
Yes... I am talking about identities... and another question does anyone happen to know the identity of 1/sinx?
• January 26th 2009, 07:57 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, 10:21 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?

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