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The expression (cos6x+6cos4x+15cos2x+10...

The expression `(cos6x+6cos4x+15cos2x+10)/(cos5x+5cos3x+10cosx)` is equal to

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The expression (cos 6x+6cos 4x+15 cos 2x+10)/(cos 5x+5 cos 3x+10 cos x)

The expression (cos 6x+6cos 4x+15 cos 2x+10)/(cos 5x+5 cos 3x+10 cos x)

The expression (cos6x+6cos4x+15cos2x+10)/(cos5x+5cos3x+10cosx) = lambdacosx , then the value of lambda is ___________.

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The expression (cos 6 x+6 cos 4 x+15 cos x+10)/(cos 5 x+5 cos 3 x+10 cos x) is equal to

If y=(cos6x+6cos4x+15cos2x+10)/(cos5x+5cos3x+10cos x) then (dy)/(dx) equals to

(cos 6x + 6 cos 4x + 15 cos 2x + 10)/(cos 5x + 5 cos 3x + 10 cos x ) is equal to

y=(cos6x+6cos4x+15cos2x+10)/(cos5x+5cos3x+10cos x), the n(dy)/(dx)