10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    If \[\cos \theta +\sin \theta =\sqrt{2}\cos \theta ,\]then value of \[r\sin \alpha \sin \beta \]is

    A) \[\sqrt{2}\sin \theta \]

    B) \[\sqrt{2}co{{s}^{2}}\theta \]

    C) \[\sqrt{2}cos\theta \]

    D) \[\sqrt{2}si{{n}^{2}}\theta \]

    Correct Answer: A

    Solution :

    Not available


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