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kuri
Questions (1)
find in degrees the value of Ө in the interval O¡ÜӨ¡Ü 360 for which 2cos^2Ө-cosӨ-1=sin^2Ө
give your answers to 1 decimal
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Answers (3)
4x^3+8xy^2 2x(2x^2+4y^2)
256-x^4 (16-x^2)(16+x^2)
6/9+2/3 6/9+6/9=12/9 =4/3
