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

  • question_answer
    If 8 tan A =15, find the value of\[\frac{\text{sinA}-\text{cosA}}{\text{sinA}+\text{cosA}}\]

    A) \[\frac{7}{23}\]                                

    B)  \[\frac{11}{23}\]

    C)  \[\frac{13}{23}\]                             

    D)         \[\frac{17}{23}\]

    Correct Answer: A

    Solution :

     \['x'\] \[\text{(25}\times \text{7)cm}\] \[~(\text{2}\times \text{52}\times \text{73) cm}\]


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