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

The number of solutions of 2 cosx=|sinx|, 0 le x le 4 pi, is (a) 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 (a) 0 (b) 2 (c) infinite (d) none of these

Number of real solutions of sqrt(2x-4)-sqrt(x+5)=1 is (a) 0 (b) 1 (c) 2 (d) infinite

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 (a) 2 (b) 3 (c) 5 (d) none of these

The number of solution of sin^4x-cos^2xsinx+2sin^2x+sinx=0in0lt=xlt=3pi is

The number of solutions of the equation |cosx-sinx|=2cosx in [0,2pi] is (A) 1 (B) 2 (C) 3 (D) 4

The number of real solutions of the equation sqrt(1+cos2x)=sqrt(2)sin^(-1)(sinx),-pilt=xlt=pi is 0 (b) 1 (c) 2 (d) infinite

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