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929

Q:

In ΔABC θ is an acute angle and tanθ is equal to three times of cotθ. Find the value of $$ {sin^{2}θ+cosec^{2}θ-{1\over 2}cot^{2}θ}$$.

  • 1
    $$ {23\over 12}$$
  • 2
    $$ {23\over 9}$$
  • 3
    $$ {23\over 11}$$
  • 4
    $$ {23\over 8}$$
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Answer : 1. "$$ {23\over 12}$$"

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