Let $f ( x ) = \ln \left( \sin ^ { 2 } x + 1 \right)$ . Find the value of $f ^ { \prime } \left( \frac { \pi } { 4 } \right)$ .
A)0
B) $\frac { 1 } { 2 }$
C) $\frac { 2 } { 3 }$
D)1
E) $\frac { 3 } { 2 }$
F)
$\sqrt { 2 }$
G)2
H)3

Question

Let $f ( x ) = \ln \left( \sin ^ { 2 } x + 1 \right)$ . Find the value of $f ^ { \prime } \left( \frac { \pi } { 4 } \right)$ .
A)0
B) $\frac { 1 } { 2 }$
C) $\frac { 2 } { 3 }$
D)1
E) $\frac { 3 } { 2 }$ 
F)
$\sqrt { 2 }$
G)2
H)3

Quizplus · Accepted Answer

The Answer of Let $f ( x ) = \ln \left( \sin ^ { 2 } x + 1 \right)$ . Find the value of $f ^ { \prime } \left( \frac { \pi } { 4 } \right)$ .
A)0
B) $\frac { 1 } { 2 }$
C) $\frac { 2 } { 3 }$
D)1
E) $\frac { 3 } { 2 }$ 
F)
$\sqrt { 2 }$
G)2
H)3

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

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