Simplify :
`tan^2theta / ( tantheta - 1 ) - 1/ ( tantheta ( tantheta - 1 ))`

(tantheta+2)(2 tantheta+1)= ?

sec^2theta/tantheta=?

Solve: tan^(3)theta-3tantheta=0

Solve: tan3theta+tantheta=0

tantheta+tan2theta=tan3theta

tantheta .tan(90^(@) - theta) =

(tantheta+sectheta-1)/(tantheta-sectheta+1)=

(tantheta+sectheta-1)/(tantheta-sectheta+1)=

tantheta+1/tantheta=secthetaxxcosectheta

Simplify tan theta [(sectheta,tantheta),(tantheta,-sectheta)]+sectheta[(-tantheta,-sectheta),(-sectheta,tantheta)]