यदि 12 cot2θ -31 cosecθ+32 = 0, 0°< θ < 90° है, तो tanθ के मान हैं-

  • 1

    4/5,  4/3

  • 2

    4/5, 5√7/7

  • 3

    5/4,  4/3

  • 4

    4/3, 3√7/7

Answer:- 4

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