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  3. 10th Class
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  5. Introduction to Trigonometry

10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    The expression \[{{\cos }^{4}}\theta -{{\sin }^{4}}\theta +2{{\sin }^{2}}\theta \] has the value

    A) \[0\]

    B) \[{{\sin }^{2}}\theta \]

    C) \[co{{s}^{2}}\theta \]

    D) \[1\]

    Correct Answer: D

    Solution :

    Not available


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