The general solution of the equation  sin⁡2x+2sin⁡x+2cos⁡x+1=0 , is 

The general solution of the equation  

sin2x+2sinx+2cosx+1=0 , is 

  1. A

    3nππ4,nZ

  2. B

    2nπ+π4,nZ

  3. C

    2nπ+(1)nsin113,nZ

  4. D

    nππ4,nZ

    Fill Out the Form for Expert Academic Guidance!l



    +91



    Live ClassesBooksTest SeriesSelf Learning



    Verify OTP Code (required)

    I agree to the terms and conditions and privacy policy.

    Solution:

    we have,

        sin2x+2sinx+2cosx+1=0    (1+2sinxcosx)+2(sinx+cosx)=0    (sinx+cosx)2+2(sinx+cosx)=0    (sinx+cosx){sinx+cosx+2}=0    sinx+cosx=0      [2sinx+cosx2]sinx+cosx2 

     tanx=1 x=nππ4,nZ

    Chat on WhatsApp Call Infinity Learn

      Talk to our academic expert!



      +91


      Live ClassesBooksTest SeriesSelf Learning




      Verify OTP Code (required)

      I agree to the terms and conditions and privacy policy.