Posted by
Anonymous on
.
solve exactly over the indicated interval: cot(theta)=0, all real numbers

trig 
Reiny,
if cotØ =0
then tanØ is undefined
and we know that the tangent is undefined at π/2 and 3π/2

trig 
Anonymous,
solve over the indicated interval expressed in degrees to 2 decimal places. sec(theta/2)=1.4275, 0<theta<360degrees