Question

Calculate the value of the limit:

lim x -> $\frac{x}{4}$ $\left(\frac{sen\left(x\right)+1}{cos\left(2x\right)}-\frac{cos\left(x\right)+1}{cos\left(2x\right)}\right)$

Select one:
A) $\frac{\sqrt{-2} }{2}$
B) $\sqrt{2}$
C) $\frac{\sqrt{2} }{2}$
D) 0

Answer 1

Answer:

D option is right

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