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\(\csc \left[2{\cot }^{-1}(5)+{\cos }^{-1}\left(\frac{4}{5}\right)\right]\) is equal to: [JEE Main 2021, 25 Feb (Shift 2…

Q1

\(\csc \left[2{\cot }^{-1}(5)+{\cos }^{-1}\left(\frac{4}{5}\right)\right]\) is equal to:

[JEE Main 2021, 25 Feb (Shift 2)]

a

\(\frac{65}{33}\)

b

\(\frac{56}{33}\)

c

\(\frac{65}{56}\)

d

\(\frac{75}{56}\)

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