1.

(sqrt(2)-sin alpha - cos alpha)/(sin alpha - cos alpha) is equal to

Answer»

`SEC((alpha)/(2)-(pi)/(8))`
`cos((pi)/(8)-(alpha)/(2))`
`TAN((alpha)/(2)-(pi)/(8))`
`cot((alpha)/(2)-(pi)/(2))`

Answer :C


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