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[x=cos1^(0),y=cos1rArr],[[" 1) "x=y," 2)...

[x=cos1^(0),y=cos1rArr],[[" 1) "x=y," 2) "x>y," 3) "x

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x = cos1 ^ (@), y = cos1rArr

Let A=[(cos^(- 1)x,cos^(- 1)y,cos^(- 1)z),(cos^(- 1)y,cos^(- 1)z,cos^(- 1)x),(cos^(- 1)z,cos^(- 1)x,cos^(- 1)y)] such that |A| = 0 , then maximum value of x + y + z is

lim_(x rarr0)(cos2x-1)/(cos x-1)

lim_(x rarr0)(cos2x-1)/(cos x-1)

If x ,\ y ,\ z in [-1,1] such that cos^(-1)x+cos^(-1)y+cos^(-1)z=0 , find x+y+z .

lim_(x rarr0)(1-cos x-cos2x+cos x*cos2x)/(x^(4)) = (A) 1 (B) 2 (C) 3 (D) 4

lim_(x rarr0)(1-cos x-cos2x+cos x*cos2x)/(x^(4)) = (A) 1 (B) 2 (C) 3 (D) 4

lim_(x rarr0)(1-cos x-cos2x+cos x*cos2x)/(x^(4)) = (A) 1 (B) 2 (C) 3 (D) 4

lim_ (x rarr0) (cos ^ (2) ((1-cos ^ (2)) (1-cos ^ (2) (... * cos ^ (2) (x)))))) / (sin [ pi ((sqrt (x + 4) -2) / (x))])

If x,y,z in[-1,1] such that cos^(-1)x+cos^(-1)y+cos^(-1)z=0, find x+y+z