Prove that
x-x^3/(3*3!)+x^5/(5*5!)-x^7/(7*7!)...
converges to pi/2

Prove that
x-x^3/(3*3!)+x^5/(5*5!)-x^7/(7*7!)...
converges to pi/2

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This can't be true. Try x=0 :).

haha

hey are u still online?

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