முக்கோண முற்றொருமை — task. கணிதம், Class 10.

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\(\sqrt{\frac{1 + cos \ \theta}{1 - cos \ \theta}} =\)__________

${cosec}^{2} θ + \cos^{2} θ$
$\sec^{2} θ + \cos^{2} θ$
\(cosec \ \theta + cot \ \theta\)
${cosec}^{} θ + \cos^{} θ$

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