If `(cos e c^2theta-4)x^2+(cottheta+sqrt(3))x+cos^2(3pi)/2=0` holds true for all real `x ,` then the most general values of `theta` can be given by `n in Z)` `2npi+(11pi)/6` (b) `2npi+(5pi)/6` `2npi+-(7pi)/6` (d) `npi+-(11pi)/6`

If sintheta=1/2a n dcostheta=-(sqrt(3))/2, then the general value of theta is (n in Z)dot (a) 2npi+(5pi)/6 (b) 2npi+pi/6 (c)2npi+(7pi)/6 (d) 2npi+pi/4

If sintheta= - 1/2 and tan theta = 1/sqrt(3) then the most general values of theta equal to (A) 2npi+pi/6 (B) 2npi=(5pi)/6 (C) 2npi+(7pi)/6 (D) none of these

The general values of theta satisfying the equation 2sin^2theta-3sintheta-2=0 is (n in Z)dot npi+(-1)^npi/6 (b) npi+(-1)^npi/2 npi+(-1)^n(5pi)/6 (d) npi+(-1)^n(7pi)/6

A general solution of tan^2theta+cos2theta=1 is (n in Z) npi=pi/4 (b) 2npi+pi/4 npi+pi/4 (d) npi

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

The general value of theta satisfying cot theta=-sqrt(3) and cos theta = sqrt(3)/2 is (A) npi+pi/3 (B) npi- pi/3 (C) 2npi+pi/6 (D) 2npi- pi/6

Which of the following sets can be the subset of the general solution of 1+c a s3x=2cos2x(n in Z)? npi+pi/3 (b) npi+pi/6 npi-pi/6 (d) 2npi

The most general value for which tantheta=-1 and costheta=1/(sqrt(2)) is ( n in Z) (A) npi+(7pi)/4 (B) npi+(-1)^n(7pi)/4 (C) 2npi+(7pi)/4 (D) none of these

The solution of 4sin^2x+tan^2x+cos e c^2x+cot^2x-6=0i s(n in Z) (a) npi+-pi/4 (b) 2npi+-pi/4 npi+pi/3 (d) npi-pi/6

Which of the following sets can be the subset of the general solution of 1+c o s3x=2cos2x(n in Z)? (a) npi+pi/3 (b) npi+pi/6 (c) npi-pi/6 (d) 2npi