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rezultatul calculului (sin 60°+cos 30°):tg 30°

Răspuns :

(sin 60° + cos 30°) : tg 30° =

√3/2 + √3/2) : √3/3

= 2√3/2 × 3/√3

= 6/2

= 3

[tex] ( \frac{ \sqrt{3} }{2} + \frac{ \sqrt{3} }{2} ) \div \frac{ \sqrt{3} }{3} = \frac{2 \sqrt{3} }{2} \times \frac{3}{ \sqrt{3} } = \frac{6 \sqrt{3} }{2 \sqrt{3} } = \frac{18}{6} = \frac{3}{1} [/tex]