meganwintergirl
27.06.2019 •
Mathematics
Simplify the complex fraction. x/x+2/1/x+1/x+2 a)x^2/2 b)x^2/x+2 c)x^2/2x+2 d)x^2+2x+2/2x+2
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Ответ:
The first formula that i remember is in accordance with sin ( α - β ) = sinα cosβ - cosα sinβ. If you would combine the first one with this formula, you would obtain sin 135° cos 60° – cos 135° sin 60° = sin (135-60) = sin75°
Im so sorry if this wasn't what you were looking for.