Question #f75fc

1 Answer
Dec 3, 2017

No special process than to calculate by calculator...... It is that you can only simplify this...

Explanation:

#(1-cosx)/(1+cosx)#

#=(1-cos(3/4))/(1+cos(3/4))#

#approx(1-0.732)/(1+0.732)#

#approx0.155#

If there is special any process, I don't know...
Hope it helps...
Thank you...