Let a matrix A=[cosxsinxtanxcotx], then which of the following stateme – InterviewSolution

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1.	Let a matrix A=[cosxsinxtanxcotx], then which of the following statement(s) is(are) true for atleast one value of x∈[0,π2] ?(where Cij is co-factor of element [aij])
Answer» Let a matrix $A = [\begin{matrix} cos x & sin x tan x & cot x \end{matrix}],$ then which of the following statement(s) is(are) true for atleast one value of $x \in [0, \frac{π}{2}]$ ? (where $C_{i j}$ is co-factor of element $[a_{i j}]$ )

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