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If x=cos e c[tan^(-1){"cos"(cot^(-1)(sec...

If `x=cos e c[tan^(-1){"cos"(cot^(-1)(sec(sin^(-1)a)))}]` and `y-"sec"[cot^(-1){"sin"(tan^(-1)(cos e c(cos^(-1)a)))}]`

A

`X=Y`

B

`Y=sqrt(3-a^(2))`

C

`X!=Y`

D

`X=2y`

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