1003261902

SubArea: 
Analyzing function behavior
Level: 
B
Project ID: 
1003261902
Accepted: 
1
Clonable: 
0
Easy: 
0
Find the second derivative of the function \[ f(x)=\sin^2 x \] at the point \( x_0=-\frac{\pi}6 \).
\( 1 \)
\( \frac12 \)
\( -\frac12 \)
\( -1 \)
\( \sqrt3 \)
\( -\frac{\sqrt3}2 \)