0°<ø<90° के लिए,  अगर sec(1-sinø) (secø + tanø)/(secø - tanø)2 = 1 +k/1-k  है तो k बराबर है -

  • 1

    cosø

  • 2

    sinø

  • 3

    cosesø

  • 4

    secø

Answer:- 2

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