Ask iit jee aieee pet cbse icse state board community Discussion Response Post to: finding limit of trig. functions whn x-->yis not eual to zero
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Marshall Eriksen (1586)

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Or....... lim [pie/2 - x] tan x x tends to pie/2 x = pie/2 + h where h tends to 0 thus substitute x = pie/2 + h lim (h ----> 0 ) (-h) tan (pie/2 + h) lim [-h] cot (-h) lim -h /tan (-h) but tanx/x = 1 thus answer is 1 l'hospital is always a better method but i typed this in so that u know(if u dun)

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