The function `f(x)=tanx` is discontinuous on the set `{npi; n in Z}` (b) `{2npin in Z}` `{(2n+1)pi/2: n in Z}` (d) `{(npi)/2: n in Z}`

The value(s) of theta , which satisfy 3-2\ costheta-4sintheta-cos2theta+sin2theta=0 is/are theta=2npi; n in I (b) 2npi+pi/2; n in I 2npi-pi/2; n in I (d) npi: n in I

Let tanx-tan^2x >0 and |2sinx| npi,n in Z (b) x > npi-pi/6,n in Z x

Find the point of inflection of the function: f(x)=sin x (a) 0 (b) n pi,n in Z (c) (2n+1)(pi)/(2),n in Z (d) None of these

Let tanx-tan^2x >0 and |2sinx| x > npi,n in Z (b) x > npi-pi/6,n in Z x

The product of matrices A=[[cos^2theta,sinthetacostheta],[sinthetacostheta,sin^2theta]] and B=[[cos^2phi,sinphicosphi],[sinphicosphi,sin^2phi]] is a null matrix if theta-phi= (A) 2npi,n in Z (B) (npi)/2, n in Z (C) (2n+1)pi/2, n in Z (D) npi, n in Z

If the vectors vec aa n d vec b are linearly idependent satisfying (sqrt(3)tantheta+1 )veca+(sqrt(3)s e ctheta-2) vec b=0, then the most general values of theta are a. npi-pi/6, n in Z b. 2npi+-(11pi)/6, n in Z c. npi+-pi/6, n in Z d. 2npi+(11pi)/6, n in Z

If 4sin^2theta=1, then the values of theta are 2npi+-pi/3,\ n in Z b. npi+-pi/3,\ n in Z c. npi+-pi/6,\ n in Z d. 2npi+-pi/6,\ n in Z

If A=[costheta-sinthetasinthetacostheta] , then A^T+A=I_2 , if theta=npi,\ \ n in Z (b) theta=(2n+1)pi/2,\ \ n in Z (c) theta=2n\ pi+pi/3,\ \ n in Z (d) none of these

The function (sin(x+a))/(sin(x+b)) has no maxima or minima if b-a=npi,n in I b-a=(2n+1)pi,n in I b-a=2npi,n in I (d) none of these

The domain of definition of the function f(x)=sqrt(-cosx)+sqrt(sinx) is: [2npi,2npi+pi/2],n in I b. [2npi,(2n+1)pi],n in I c. [2n+1/2pi(2n+1)pi],n in I d. [(2n+1)pi,(2n+3/2)pi],n in I