
Parviz F. answered 12/31/13
Tutor
4.8
(4)
Mathematics professor at Community Colleges
SEC ^2 X + CSC^2 X ( CSC^2 X ( 1 + Tan^2 X) =
1 + 1 + 1 =
COS ^2X Sin^4 X Sin^2X Cos ^2X
Sin ^4 X + Cos ^2 X + Sin^2 X =
Sin ^4 X COS ^2 X SIN^4 X COS^2 X
SEC^2 X + SEC^2 x . CSC ^4 x =
SEC ^2 x ( 1 + CSC 4x )