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Statement -1 The value of determinant ...

Statement -1 The value of determinant
`|{:(sinpi,cos(x+(pi)/(4)),tan(-(pi)/(4))),(sin(x-(pi)/(4)),-cos((pi)/(2)),In((x)/(y))),(cot((pi)/(4)+x),In((y)/(x)),tan(pi)):}|` is zero
Statement -2 The value of skew -symetric determinat of odd order equals zero.

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