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$\sqrt{5}+\frac{1}{2{\sqrt{2}}}$
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