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sin 30 x sin 30 x radical 3
rezolvare pls


Răspuns :

1/2•1/2•radical din 3

=radical 3 supra 4
sin 30° =1/2

sin 30° × sin 30° × √3 =1/2 × 1/2 ×√3=1/4×√3=√3/4

sin 30° × sin 30° × √3=√3/4