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Choose the correct option. 9sec^2A-9t...

Choose the correct option.
`9sec^2A-9tan^2A=`

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To solve the expression \( 9\sec^2 A - 9\tan^2 A \), we can follow these steps: ### Step 1: Factor out the common term We notice that both terms in the expression have a common factor of 9. We can factor this out: \[ 9\sec^2 A - 9\tan^2 A = 9(\sec^2 A - \tan^2 A) \] ...
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Knowledge Check

  • In the given question, choose the correct option. 8 : 9 : : 64 : ?

    A
    a.16
    B
    b.20
    C
    c.25
    D
    d.26

  • In the given question, choose the correct option. 16 : 4 : : 9 : ?

    A
    a.4
    B
    b.25
    C
    c.1
    D
    d.2

  • 9 sec^(2) A - 9 tan^(2) A =

    A
    0
    B
    3
    C
    -9
    D
    9

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