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Mathematics, 28.07.2019 15:30 91miketaylor
Sin(a)+sin(b)=sqrt(5/3) and cos(a)+cos(b)=1. compute cos(a-b). i drew out triangles and modeled the sines and cosines of a and b, but that doesnt me find cos(a-b). what do i do?
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Mathematics, 21.06.2019 19:00, katherinemartinez173
Simplify. −4x^2 (5x^4−3x^2+x−2) −20x^6−12x^4+8x^3−8x^2 −20x^6+12x^4−4x^3+8x^2 −20x^8+12x^4−4x^2+8x −20x^6+12x^4+4x^3−8x^2
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Sin(a)+sin(b)=sqrt(5/3) and cos(a)+cos(b)=1. compute cos(a-b). i drew out triangles and modeled the...
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