0 < θ < 90° യിൽ,  \(\frac{{\sin \theta }}{{\cos \theta }} + \frac{{\cos \theta }}{{\sin \theta }}\; = \;2\) ആണെങ്കിൽ θ എന്തിനോട് തുല്യമാണ്?

1
30°
2
45°
3
60°
4
75°

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