Friday

February 12, 2016
Posted by **Lois** on Monday, July 22, 2013 at 8:10pm.

- Jackie, Karen, Lois Sharla ? trig -
**Reiny**, Monday, July 22, 2013 at 8:20pmWhy are you switching names ?

Please stick with one name.

- trig -
**Reiny**, Monday, July 22, 2013 at 8:43pmcsc x - sin x

= 1/sinx - sinx

= (1 - sin^2 x)/sinx

= cos^2 x /sinx

= (cosx/sinx) /sinx

= cotx cscx