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  1. For any real values of θ,

    1. cotθ – cosecθ
    2. secθ – tanθ
    3. cosecθ – cotθ
    4. tanθ – secθ
Correct Option: C


(Rationalising the numerator and the denominator)

=
1 - cosθ
=
1
-
cos θ

sin θsin θsin θ

= cosecθ – cotθ.


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