If \[\tan A+\cot A=4,\]then \[{{\tan }^{4}}A+{{\cot }^{4}}A\] is equal to [Kerala (Engg.) 2002]

If \[\tan A+\cot A=4,\]then \[{{\tan }^{4}}A+{{\cot }^{4}}A\] is equal

MCQOPTIONS

1.	If \[\tan A+\cot A=4,\]then \[{{\tan }^{4}}A+{{\cot }^{4}}A\] is equal to [Kerala (Engg.) 2002]
A.	110
B.	191
C.	80
D.	194
Answer» E.