light mode
night mode

Des.

  • Home
  • Add New Description
Back

Add New Description

Fill up the form and submit

Questions

cos 2θ =-1   হলে  
θ=(2n+1)π2,n∈z
θ=(2n+1)n,n∈z
θ=(4n-1)n2,n∈z
θ=(4n+1)n2,n∈z
ANS : 1
To add a description please, login first. click here to login
Cancel Login
Promotion