Trig Minimum

Geometry Level 3

1sin⁡2 x+1cos⁡2 x\large \frac{1}{\sin^{2} \ x} + \frac{1}{\cos^{2} \ x }

What is the least positive value of xx (in radian measure) which would minimize the above expression?

Give your answer to 3 significant figures.

Mikael Marcondes by Mikael Marcondes
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