Question

( operatorname{sen} theta=sqrt{2} )
( frac{Delta e(t-2 n pi+pi / 4}{2 pi)} theta=2 pi-pi / 4=frac{7 pi / 4}{4} )
( =frac{-2}{34 sqrt{2}} )

# 3 If sece - 2 and 1+tan 0 + coseco -<<2n, find the value of 1 + cos - cos eco

Solution