1.

If tan x=2ba−c(a≠c), y=a cos2 x+2b sin x cos x+c sin2 x and z=a sin2 x−2b sin x cos x+cos2 x, then

Answer»

If tan x=2bac(ac), y=a cos2 x+2b sin x cos x+c sin2 x and z=a sin2 x2b sin x cos x+cos2 x, then




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