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Find the value of (sin30^(@).tan330^(@)....

Find the value of `(sin30^(@).tan330^(@).sec420^(@))/(tan135^(@).sin135^(@).sin210^(@)sec315^(@))`

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The correct Answer is:
2
`(((-sqrt(3))/(2)).((-1)/(sqrt(3))).2)/((-1)((1)/(sqrt(2)))-(-(1)/(2))sqrt(2)) = 2`
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