\(\cot \left({\frac \pi 2} - \theta \right) = \frac {1}{\sqrt 3}\) అయితే, cos θ విలువను కనుగొనండి.

1
\(\sqrt{3}\)
2
\(\frac{\sqrt{3}}{2}\)
3
\(\frac{1}{2}\)
4
\(\frac{1}{\sqrt{3}}\)

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