MCQ
The value of $\cos^\text{2}48^\circ-\sin^\text{2}48^\circ$ is:
  • $\sqrt{5}+\frac{1}{8}$
  • B
    $\sqrt{5}-\frac{1}{8}$
  • C
    $\sqrt{5}+\frac{1}{5}$
  • D
    $\sqrt{5}+\frac{1}{2{\sqrt{2}}}$

Answer

Correct option: A.
$\sqrt{5}+\frac{1}{8}$

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