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If A""=""sin^2x""+""cos^4x , then for ...

If `A""=""sin^2x""+""cos^4x` , then for all real x : (1) `3/4lt=Alt=1` (2) `(13)/(16)lt=Alt=1` (3) `1lt=Alt=2` (4) `3/4lt=Alt=(13)/(16)`

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Given A=sin^2theta+cos^4theta, then for all real theta, (a) 1lt=Alt=2 (b) 3/4lt=Alt=1 (c) (13)/(16)lt=Alt=1 (d) 3/4lt=Alt=(13)/(16)

Given A=sin^2theta+cos^4theta, then for all real theta, (a) 1lt=Alt=2 (b) 3/4lt=Alt=1 (c) (13)/(16)lt=Alt=1 (d) 3/4lt=Alt=(13)/(16)

If A=sin^(2)x+cos^(4)x, then for all real x: (1) (3)/(4)<=A<=1(2)(13)/(16)<=A<=1(3)1<=A<=2(4)(3)/(4)<=A<=(13)/(16)

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The equation sin^4x+cos^4x+sin2x+alpha=0 is solvable for -5/2lt=alphalt=1/2 (b) -3lt=alpha<1 (c) -3/2lt=alphalt=1/2 (d) -1lt=alphalt=1

The equation sin^4x+cos^4x+sin2x+alpha=0 is solvable for -5/2lt=alphalt=1/2 (b) -3lt=alpha<1 -3/2lt=alphalt=1/2 (d) -1lt=alphalt=1

The equation sin^4x+cos^4x+sin2x+alpha=0 is solvable for -5/2lt=alphalt=1/2 (b) -3lt=alpha<1 -3/2lt=alphalt=1/2 (d) -1lt=alphalt=1