10th Class Mathematics Introduction to Trigonometry Question Bank Introduction to Trigonometery

  • question_answer
    If\[\text{sin A}+\text{sin2 A }=\text{ 1}\], find the value of the expression\[(\text{cos2 A}+\text{cos4 A})\].

    A)  1                            

    B)         \[\frac{1}{2}\]   

    C)  2                            

    D)         3

    Correct Answer: A

    Solution :

    Not Available


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