show that f(x) is discontunous at x=0?
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1)...1-cosx =2 sin^x/2.___ 2)divide by 1/2 num and dem...then (sinx/2/x/2)^2 ...3. (sinx/2/x/2) = 1_______
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Awa147:
ok then
hm
mark as brainlist !!
2s2sin/2 where does 2 goes
at 2sin^x/2
hn
hmm
I really could not understnd
wait 1 mint plz
can you explain
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