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sin(60◦) = √3 /2 

tan(60◦) = √3

6sin(60◦) + 5tan(60◦) = 3√3 + 5√3 = 8√3 = √64√3 = √192

x²-2x+4= (x-2)(x-2)=0  x=-2 (double root)  

x²+5x+1=0

x_1,2= -5+_ (5²-4(1)(1) )^0.5/2 

x₁=4.8     x₂=-0.2 (t...

We inherit two copies of a gene called alleles, one from each parent. The alleles we inherit from our parents can either be dominant or recessive. A dominant allele requires just one copy of the allele to...

Mitosis is a form of asexual reproduction in plants. A parent cell splits into 2 identical daughter cells. There are 46 Chromosomes in each cell and each chromosome is copied exactly, using chromatids to ...

This passage takes place in the Underworld, and is a confrontation between the ghost of Dido and the living Aeneas, who has been allowed to visit the Underworld so that he can speak with the ghost of his ...