The value of \(\frac{{1 - 2{{\sin }^2}\theta {{\cos }^2}\theta }}{{{{\sin }^4}\theta \; + \;{{\cos }^4}\theta }} - 1\) is:

The value of \(\frac{{1 - 2{{\sin }^2}\theta {{\cos }^2}\theta }}{{{{\

1.	The value of \(\frac{{1 - 2{{\sin }^2}\theta {{\cos }^2}\theta }}{{{{\sin }^4}\theta \; + \;{{\cos }^4}\theta }} - 1\) is:
A.	0
B.	-1
C.	1
D.	– cos2θ
Answer» B. -1