Find \(lt_{x\rightarrow 0}\frac{2cos(2x)+3cos(5x)-5cos(19x)}{cos(4x)-

1.	Find \(lt_{x\rightarrow 0}\frac{2cos(2x)+3cos(5x)-5cos(19x)}{cos(4x)-cos(3x)}\)
A.	-76
B.	-6
C.	-7
D.	0
Answer» B. -6

Discussion

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