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Find the value of cos(sec^(-1)x+cose c^(...

Find the value of `cos(sec^(-1)x+cose c^(-1)x),|x|geq1`

Text Solution

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Let, `y = cos (sec^-1x+cosec^-1 x)` , `|x|>=1`
Let, `sec^-1x =t`
`=> x = sect`
We know,
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