The general solution of the equation `2cos2x = 3.2cos^2x - 4` is (A) `x = 2n pi, n in I` (B) `x = n pi, n in I` (C) `x = (n pi)/4, n in I` (D) `x = (n pi)/2, n in I`

The general solution of the equation tanx +sin(pi+x)=2sin^(2)((x)/(2)) is/are (A) n pi,n in I (B) 2n pi,n in I(C)(4n+1)(pi)/(4),n in I(D)n pi+(pi)/(3),n in I

The general solution of the equation 2^(cos2x)=1=3.2^(-sin^2x) is (A) n pi,n epsilon i (B) (n+1/2) pi, n epsilon I (C) (n- 1/2) pi, n epsilon I (D) none of these

The general solution of the equation sin^(100)x-cos^(100)x=1 is (a) 2npi+pi/3,n in I (b) n pi+pi/2,n in I (c) npi+pi/4,n in I (d) 2npi=pi/3,n in I

The general solution of the equation sin^(100)x-cos^(100)x=1 is 2npi+pi/3,n in I (b) n pi+pi/2,n in I npi+pi/4,n in I (d) 2npi=pi/3,n in I

The general solution of the equation sin^(110)x-cos^(100)x=1 is 2n pi+(pi)/(3),n in I(b)npi+(pi)/(2),n in In pi+(pi)/(4),n in I(d)2n pi=(pi)/(3),n in I

The general solution of cos x cos6x=-1 is x=(2n+1)pi,n in Zx=2n pi,quad n in Zx=n pi,n in Z(d) none of these

sin^(2) x+2sin x cos x-3cos^(2) x = 0 if (i) tan x = 3 (ii) tan x = -1 (iii) x = n pi+(pi)/(4) , n in I (iv) x = n pi+tan^(-1) (3), n in I

If cos^2x+cos^2 2x+cos^2 3x=1 then (a) x=(2n+1)pi/4,\ n in I (b) x=(2n+1)pi/2,\ n in I (c) x=npi+-\ pi/6,\ n in I (d) none of these

The roots of the equation cot x-cos x=1-cot x cos x are(1)n pi+(pi)/(4),n in I(2)2n pi+(pi)/(4),n in I(3)2n pi+-pi or n pi+(pi)/(4),n in I(4)2n pi+pi or (4n+1)(pi)/(4),n in In pi,n in I