r=√Z2-25Zmn+On h(t)=l+re sdn' sin(@ t+) /n 0=-+ actg[on V1-5a/(2-50,)+arcg(V1-54/5)2 2 Z 2 d Z n n r = −   + ( ) 1 sin( 1 ) 2      = + − + − h t re t n d t d n [ 1 ( )] ( 1 ) 2 2  = − + arctg n − d Z − d n + arctg − d  d