10th Class Mathematics Some Applications of Trigonometry Question Bank Trigonometry and Its Application

  • question_answer
    If Sin (\[\alpha +\beta \]) = 1 then Cos(\[\alpha -\beta \]) can be reduced to _______

    A)  Sin 2\[\beta \]       

    B)  Cos 2\[\beta \]       

    C)  Sin\[\alpha \]                                                                

    D) Cos \[\beta \]

    E) None of these

    Correct Answer: A

    Solution :

    Not Available                                                  


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