Răspuns :
Răspuns:
[tex]( \frac{ \sqrt{3} }{2} ) {}^{ - 2} = ( \frac{2}{ \sqrt{3} } ) {}^{2} = (\frac{2 \sqrt{3} }{3} ) {}^{2} = \frac{4 \times 3}{9} = \frac{4}{3} [/tex]
Răspuns:
[tex]( \frac{ \sqrt{3} }{2} ) {}^{ - 2} = ( \frac{2}{ \sqrt{3} } ) {}^{2} = (\frac{2 \sqrt{3} }{3} ) {}^{2} = \frac{4 \times 3}{9} = \frac{4}{3} [/tex]