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If f(x)=sin2x, find f(π4)f ( x ) = \sin ^ { 2 } x , \text { find } f ^ { \prime } \left( \frac { \pi } { 4 } \right)

Question 170

Multiple Choice

If f(x) =sin2x, find f(π4) f ( x ) = \sin ^ { 2 } x , \text { find } f ^ { \prime } \left( \frac { \pi } { 4 } \right)


A) 2\sqrt { 2 }

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

G) 34\frac { \sqrt { 3 } } { 4 }
H) 22\frac { \sqrt { 2 } } { 2 }

Correct Answer:

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