1 Answered Questions for the topic Calculus Series
Calculus Series
01/26/15
Solve the equation of ? {n,0,infinity} (-4)^-n / ((2n)!)
∑ {n,0,infinity} (-4)^-n / ((2n)!)
Can somebody give a step by step solution.
The answer should be cos(1/2)
Thanks in advance!
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