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Let x=sin1^0, then the value of the exp...

Let `x=sin1^0,` then the value of the expression. `1/(cos0^0dotcos1^0)+1/(cos1^0dotcos2^0)+1/(cos2^0dotcos3^0)+1/(cos44^0dotcos45^0)` is equal to (a) `x` (b) `1/x` (c) `(sqrt(2))/x` (d) `x/(sqrt(2))`

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`1/sin1[(sin(1-0))/(cos0cos1)+(sin(2-1))/(cos2cos2)+....+(sin(45-44))/(cos44cos45)]`
`1/sin1[tan1-tan0+tan2-tan2+tan3-tan2+...+tan45-tan44]`
`1/sin1*[1-0]`
`1/sin1`
`1/x`.
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