यदि (tanθ - secθ + 1/tanθ + secθ - 1)secθ = 1/k, तो k = ......................................?

  • 1

    1 - cosθ

  • 2

    1 - sinθ

  • 3

    1 + cosθ

  • 4

    1 + sinθ

Answer:- 4

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