Prove that 🔥 cos (x - y) = cosx cosy + sinx siny 🔥 Simple proof by

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  • Опубликовано: 13 дек 2024

Комментарии • 5

  • @naveenn7760
    @naveenn7760 Год назад +3

    Sir when is next live class for 10th

    • @naveenn7760
      @naveenn7760 Год назад

      Hi

    • @Mathemafia
      @Mathemafia  Год назад +2

      I conducted few classes but students hardly showed any interest. So I stopped for time being. I may restart near exams.

    • @alterego31007
      @alterego31007 Год назад

      Sir plz teach in English because iam from Tamil Nadu and iam 11 th STD so plz reply me sir 😢