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Q:

यदि 4sin2 θ – 1 = 0  और कोण θ<900 से कम है । तो cos2 θ + tanθ का मान क्या होगा ?

(माना 00 < θ < 900 ) 

  • 1
    $$ 13\over 12$$
  • 2
    $$ 12\over 11$$
  • 3
    $$ 11\over 9$$
  • 4
    $$ 17\over 15$$
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Answer : 1. "$$ 13\over 12$$"

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