nbsp-what is the difference between -cos x and cos -x-

Hi! Here is the answer to your question. nbsp;The difference between ndash; cos x and cos ( ndash;x) = ( ndash; cos x) ndash; (cos ( ndash;x)) ...

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what is the difference between -cos x and cos (-x)

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f (x) = cos x + \frac{1}{2} cos 2 x + \frac{1}{3} cos 3 x

C O

C o

x = a sin (ω t + π / 6)

x^{'} = a cos ω t

If $x = a s i n [ω t + \frac{π}{6}] a n d x^{'} = a c o s ω t$ , then what is the phase difference between the two waves?

cos x + cos \frac{2 x}{2} - cos \frac{3 x}{3}

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