1.

If 7 sin2 θ – cos2 θ + 2 sin θ = 2, 0° < θ < 90°, then the value of \(\frac{{\sec 2\theta + \cot 2\theta }}{{cosec\;2\;\theta + \tan 2\theta }}\) is:

A. \(\frac{2}{5}\left( {1 + \sqrt 3 } \right)\)
B. \(\frac{1}{5}\left( {1 + 2\sqrt 3 } \right)\)
C. \(\frac{{2\sqrt 3 + 1}}{3}\)
D. 1
Answer» C. \(\frac{{2\sqrt 3 + 1}}{3}\)


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