Question

the range of food(x) = cos(x), -22/7/4<x<22/7)4, when (x) represents greatest integer less than or equal to x is​

Answer 1

Answer:

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Answer 2

HELLO Mate!

$answer$

2 cos(n + k)x. (4). Integrating cos mx with m = n − k and m = n + k proves orthogonality of the sines. The exception is when n = k

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