Find the local minimum value of the function f(= sin4x + cos4x, 0 < x < \(\frac{\pi}{2}\)
A. \(\frac { 1 }{ \surd 2 }\)
B. \(\frac { 1 }{ 2 }\)
C. \(\frac { \surd 3 }{ 2 }\)
D. 0
Answer:B
Find the local minimum value of the function f(= sin4x + cos4x, 0 < x < \(\frac{\pi}{2}\)
A. \(\frac { 1 }{ \surd 2 }\) B. \(\frac { 1 }{ 2 }\) C. \(\frac { \surd 3 }{ 2 }\) D. 0