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$Let x = \sin 1^{0} then the value of \frac{1}{\cos 0^{0} \cos 1^{0}} + \frac{1}{\cos 1^{0} \cos 2^{0}} + \dots \dots \dots \dots + \frac{1}{\cos 44^{0} \cos 45 °} =$

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Correct option is C

We have1sin10sin10cos10+sin20-10cos10cos20+………+sin45°-440cos440cos410=1sin10tan10+tan20-tan10+tan30-tan20+………tan45°-tan440=1x

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Let x=sin10 then the value of 1cos00cos10+1cos10cos20+…………+1cos440cos45°=

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$Let x = \sin 1^{0} then the value of \frac{1}{\cos 0^{0} \cos 1^{0}} + \frac{1}{\cos 1^{0} \cos 2^{0}} + \dots \dots \dots \dots + \frac{1}{\cos 44^{0} \cos 45 °} =$