1) lim of [(2x)/(cos(pie)(x))] as x approaches 1/2 from the left 2) lim of [(2(tan^2)x)/x] as x approaches 0 im good till they start throwin trig in the mix. thx for any help and could u pls show me step by step.
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For the first limit, what is the numerator equal to when x = 0.5? What about the denominator? When x = 0.49, is the expression positive or negative?
thx random
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