Let alpha = Lt(mrarroo) Lt(nrarroo) cos^...

Let `alpha = Lt_(mrarroo) Lt_(nrarroo) cos^(2m) |__n pix`, where `x` is rational, `beta= Lt_(mrarroo) Lt_(nrarroo) cos^(2m) |__n pix,` where \'x\' is irrational, then the area of the triangle having vertices `(alpha, beta), (-2, 1) and (2, 1)` is (A) 2 (B) 4 (C) 1 (D) none of these

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