Yefim S. answered • 10/08/20
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lim x→ 0 (tan(4x)/x) = lim x→ 0 (tan(4x)'/x') = lim x→ 0 (4sec2(4x)/1) = 4sec20 = 4.
Stephen A.
asked • 10/08/20find the limit using l'hopital's rule
lim
x→ 0 (tan(4x)/x)
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lim [tan(4x)]/x = lim [4sec2x]/1 = 4
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