[" 27.The number of real roots of the equation "],[" cosec "theta+sec theta-sqrt(15)=0" lying in "[0,pi]" is "]

The number of real roots of the equation cos e ctheta+sectheta-sqrt(15)=0 lying in [0,pi] is.

The number of real roots of the equation csc theta+sec theta-sqrt(15)=0ling in [0,pi] is.6 (b) 8 (c) 4 (d) 0

The number of roots of the quadratic equation 8 sec^(2) theta-6 sec theta+1=0 is

sec theta + "cosec"theta = 2sqrt(2)

The number of solutions of the equation 2 tan^2theta-7sec theta-2 = 0 in the interval [0, 6pi] is

The number of solutions of the equation "tan" theta + "sec" theta = 2 "cos" theta lying the interval [0, 2pi] is

The number of solutions of the equation 2tan^(2)theta-7sec theta-2=0 in the interval [0,6 pi] is

The number of roots of the equation 16sec^(3)theta-12tan^(2)theta-4sec theta=9 in interval (-pi,pi) .

Find the number of roots of the equation 16sec^(3)theta-12tan^(2)theta-4sec theta=9 in interval (-pi,pi)

The number of distinct real roots of the equation |[cosec theta,sec theta,sec theta],[sec theta,cosec theta,sec theta],[sec theta,sec theta,cosec theta]|=0 in the interval [-(pi)/(4),(pi)/(4)]