Question 771819
if cos theta =3/5,evaluate sin theta-cot theta/2 tan theta
***
you are working with a 3-4-5 right triangle
given cosx=3/5
sinx=4/5
tanx=4/3
2tanx=8/3
cotx=3/4
sin theta-cot theta/2 tan theta={{{(4/5-3/4)/(8/3)
=(16/20-15/20)/(8/3)=(1/20)/(8/3)=3/160}}}