1.

If f(x)=∣∣∣∣∣cos(x+x2)sin(x+x2)−cos(x+x2)sin(x−x2)cos(x−x2)sin(x−x2)sin2x0sin(2x2)∣∣∣∣∣, then

Answer»

If f(x)=∣∣
∣
∣
∣
cos(x+x2)sin(x+x2)−cos(x+x2)sin(x−x2)cos(x−x2)sin(x−x2)sin2x0sin(2x2)∣∣
∣
∣
∣
,
then



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