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  5. Introduction to Trigonometry

10th Class Mathematics Introduction to Trigonometry Question Bank Trigonometry

  • question_answer
    \[\tan \left( 45{}^\circ -\frac{A}{2} \right)\] is equal to

    A) \[\text{cosec}\,A+\cot A\]

    B) \[\text{cosec}\,A-\cot A\]

    C) \[\text{sec}\,A+tanA\]

    D) \[\text{sec}\,A-tanA\]

    Correct Answer: D

    Solution :

     Not available


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