Math Question- Please Help! Quick!?

0 ⤊

Simplify:

sin -x

Sorry, I know this is a stupid question, but the way to simplify it just slipped from my memory!

Thanks!

2007-06-02 07:07:16 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

sin(-x) = -sinx

is that what you´re looking for ?

2007-06-02 07:10:56 · answer #1 · answered by Hippie 4 · 0⤊ 0⤋

the formula is ver simple

sin(a-b)=sin a cos b-sin b cos a
then you usa a=0 and b=x
this gives
sin(-x)=sin(0-x)=sin(0)cos(x)-sin(x)cos(0)= -sinx

2007-06-02 07:19:48 · answer #2 · answered by Víctor V. 2 · 0⤊ 0⤋

sin -x = - sin x

2007-06-02 07:13:20 · answer #3 · answered by muhamed a 4 · 0⤊ 0⤋

sin-x = -sin x

2007-06-02 07:12:44 · answer #4 · answered by maussy 7 · 0⤊ 0⤋

sin(-x)= -sin(x)>>>>>>>;-p

2007-06-02 07:18:38 · answer #5 · answered by Andrew H 4 · 0⤊ 0⤋