Suppose is an angle such that cos(?)=-1/3If 0 < ? < ?,then cos(?/2)=____and sin(?/2)=_____If ? < ? < 2?,then cos(?/2)=______and sin(?/2)=____If 2? < ? < 3?,then cos(?/2)=_____and sin(?/2)=______
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
(Save $1 )
One time Pay
(Save $5 )
Billed Monthly
*First month only
You can see the logs in the Dashboard.