1.

If A is an acute angle and cosec A = √2, then the value of 4sin2A ÷ secA is:

A. \(2\sqrt 2 \)
B. \(\frac{1}{{\left( {\sqrt 2 } \right)}}\)
C. \(4\sqrt 2 \)
D. \(4 - \sqrt 2 \)
Answer» B. \(\frac{1}{{\left( {\sqrt 2 } \right)}}\)


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