Question #641e7
1 Answer
Jan 29, 2018
The expression equals
Explanation:
We have:
#=1/cosx(cosx/sinx) - sinx#
#=1/sinx - sinx#
#=(1 -sin^2x)/sinx#
#=cos^2x/sinx#
#=(cosx/sinx)cosx#
#=cotxcosx#
Hopefully this helps!
