MCQ
The value of $\cos 960^{\circ}$ is :
- ✓$\frac{1}{2}$
- B$\frac{\sqrt{3}}{2}$
- C$-\frac{\sqrt{3}}{2}$
- D$-\frac{1}{2}$
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$STATEMENT -1$ : The ratio $PR$: $RQ$ equals $2 \sqrt{2}: \sqrt{5}$. because
$STATEMENT -2$ : In any triangle, bisector of an angle divides the triangle into two similar triangles.