If sinx +sin2x=1, prove that cos2+cos4=1 Share with your friends Share 22 Piyush Aggarwal answered this sinx + sin2x = 1sinx + 1 - cos2x =1cos2x = sinxSO sinx + sin2x = 1 -10 View Full Answer Shubham Jain answered this sinx+sin2x=1sinx=1-sin2xsinx=cos2x(squaring both the sides)sin2x=cos4x1-cos2x=cos4x1=cos4x+cos2xhence proved cheers 48 Lalit Mehra answered this Hi! Cheers! -8 Aaryani Kadiyala answered this how can sinx + sin2x be equal to 1. -3 Aaryani Kadiyala answered this sorry sir in the question it is given.i dind not see it. -7
.png)