Trig

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Complete the following statement. (1-sinθ)(1+sinθ)

  • Trig -

    ( a - b ) ( a + b ) = a ^ 2 - b ^ 2


    ( 1 - sin è )( 1 + sin è ) =

    1 ^ 2 - sin ^ 2 è =

    1 - sin ^ 2 è =

    cos ^ 2 è

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