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  3. 10th Class
  4. Mathematics
  5. Introduction to Trigonometry

10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    If \[0<\theta <\frac{\pi }{4}\,then\,(cos\theta -sin\theta )\] is

    A) always negative

    B) always positive  

    C) sometimes positive and sometimes negative

    D) zero

    Correct Answer: B

    Solution :

    Not available


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