Question

Question #feb73

Answer 1

Correct choice is 3.

See the explanation below

Explanation:

We have an expansion for Cos(x)

`Cos(x) = 1 - (x^2)/(2!) + (x^4)/(4!) - (x^6)/(6!) + (x^8)/(8!) - (x^10)/(10!) + ... etc`

Please refer to the hand-written solution.