1.

If cos^(-1)(x)+cos^(-1)(y)+cos^(-1)(z)=pi(sec^(2)(u)+sec^(4)(v)+sec^(6)(w)), where u, v, w are least non-negative angles such that u lt v lt w, then the value of x^(2000)+y^(2002)+z^(2004)+(36pi)/(u+v+w) is

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