How do you simplify #tanx/(1-tanx)+cosx/(sinx-cosx)#?
1 Answer
Oct 11, 2016
Explanation:
For
#=(tan(x)(-cos(x)))/((1-tan(x))(-cos(x)))+cos(x)/(sin(x)-cos(x))#
#=-sin(x)/(sin(x)-cos(x))+cos(x)/(sin(x)-cos(x))#
#=(cos(x)-sin(x))/(sin(x)-cos(x))#
#=-(sin(x)-cos(x))/(sin(x)-cos(x))#
#=-1#