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Let f(x)=ln(sin2x+1)f ( x ) = \ln \left( \sin ^ { 2 } x + 1 \right)

Question 185

Multiple Choice

Let f(x) =ln(sin2x+1) f ( x ) = \ln \left( \sin ^ { 2 } x + 1 \right) . Find the value of f(π4) f ^ { \prime } \left( \frac { \pi } { 4 } \right) .


A) 0
B) 12\frac { 1 } { 2 }
C) 23\frac { 2 } { 3 }
D) 1
E) 32\frac { 3 } { 2 }
F)
2\sqrt { 2 }
G) 2
H) 3

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