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UPSC NDA 2 2019 Mathematics Solved Paper

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Directions (Q. Nos. 86 to 88): Read the following information and answer the three items that follow:

Consider the function

f(x)=g(x)+h(x)

where

g(x)=\sin\left(\frac{x}{4}\right)

and

h(x)=\cos\left(\frac{4x}{5}\right)

[NDA II 2019]

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Question : 86 of 120

Marks: +1, -0

What is the period of the function g(x) ?

π
$2\pi$
$4\pi$
$8\pi$

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