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Maths-

General

Easy

Question

The value of the expression $open parentheses 1 plus cos invisible function application pi over 10 close parentheses open parentheses 1 plus cos invisible function application fraction numerator 3 pi over denominator 10 end fraction close parentheses open parentheses 1 plus cos invisible function application fraction numerator 7 pi over denominator 10 end fraction close parentheses open parentheses 1 plus cos invisible function application fraction numerator 9 pi over denominator 10 end fraction close parentheses$ is

$\frac{1}{8}$
$\frac{1}{16}$
$\frac{1}{4}$
0

The correct answer is: $fraction numerator 1 over denominator 16 end fraction$

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