precal
posted by
olivia
.
cosx/secx+sinx/cscx=sec^2xtan^2x

precal 
Damon
left and right are both 1

precal 
Damon
use sin squared + cos squared = 1

precal 
olivia
thanks

precal 
Damon
You are welcome. I did it out but was unable to post the solution. The board seems to be acting up.

precal 
olivia
Thats ok, I think I kind of understand it.