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9 sec square A - 9 …

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9 sec square A - 9 tan square A =

    • Posted by Pihu ✨ 4 years, 8 months ago

    CBSE > Class 10 > Mathematics
    • 2 answers

    Akshay Kumar 4 years, 8 months ago

    9sec²A-9tan²A=9

    1Thank You

    Gaurav Seth 4 years, 8 months ago

    A n s w e r

    The value of 9sec²A-9tan²A =9

    Step-by-step explanation:

    The value of 9sec²A-9tan²A

    = 9(sec²A-tan²A)

    /* By Trigonometric identity:

     

    = 9 ×1

    = 9

    Therefore,.

    The value of 9sec²A-9tan²A =9

    2Thank You

    ANSWER
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