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1-(x^(2))/(2!)+(x^(4))/(4!)-(x^(6))/(6!)...

`1-(x^(2))/(2!)+(x^(4))/(4!)-(x^(6))/(6!)+....=`

A

`(e^(x)+e^(-x))/(2)`

B

`(e^(x)-e^(-x))/(2)`

C

`(e^(ix)+e^(-ix))/(2)`

D

`(e^(ix)-e^(-ix))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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