Mathematicscos80ºsin10º+cos59°⋅cosec31°+2tan53°cot37°−cot80°tan10°=

cos80ºsin10º+cos59°cosec31°+2tan53°cot37°cot80°tan10°=

  1. A

    4

  2. B

    -4

  3. C

    1

  4. D

    3

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