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let 0ltphiltpi/2, x=sum(n=0)^oocos^(2n)p...

let `0ltphiltpi/2`, `x=sum_(n=0)^oocos^(2n)phi`, `y=sum_(n=0)^oosin^(2n)phi` and `z=sum_(n=0)^oocos^(2n)phisin^(2n)phi`

A

`xyz = xz +y`

B

`xyz=xz +z`

C

`xyz =x+y+z`

D

`xyz = yz +z`

Text Solution

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The correct Answer is:
C
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  3. let 0ltphiltpi/2, x=sum(n=0)^oocos^(2n)phi, y=sum(n=0)^oosin^(2n)phi a...

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  14. For eR let [x] denote the greatest integer le x. Largest natural numbe...

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