The number of solutions of `2cosx=|sinx|,0lt=xlt=4pi,` is 0 (b) 2 (c) 4 (d) infinite

The number of solution of 2cosx=|sinx| where x in [0.4pi] is/are

The number of solutions of 12cos^3x-7cos^2x+4cosx=9 is 0 (b) 2 (c) infinite (d) none of these

Find the number of solutions of sin^2x-sinx-1=0in[-2pi,2pi]

The number of solution of sinx+sin2x+sin3x=cosx+cos2x+cos3x ,0lt=xlt=2pi, is (a)7 (b)5 (c) 4 (d) 6

The total number of solution of cosx=sqrt(1-sin2x) in [0,2pi] is equal to 2 (b) 3 (c) 5 (d) none of these

Find the number of solution of [cosx]+|sinx|=1, x inpilt=xlt=3pi (where [ ] denotes the greatest integer function).

The total number of solution of |cotx|=cotx+1/(sinx),x in [0,3pi] , is equal to 1 (b) 2 (c) 3 (d) 0

The number of solutions of the equation x^2+2x^2+6x+2cosx=0in[0,2pi] is one (b) two (c) three (d) zero

The number of points in (-oo,oo), for which x^2-xsinx-cosx=0, is 6 (b) 4 (c) 2 (d) 0

The number of roots of the equation xsinx=1,x in [-2pi,0)uu(0,2pi] is 2 (b) 3 (c) 4 (d) 0