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помогитеееееееееееееееееееееееееееееееееееееее еще плииз [tex] cos^{2} ( \frac{ \pi }{2} +x)- cos^{2} (2 \pi +x)= \frac{ \sqrt{3} }{2} [/tex]

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egrBO $sin^{2}(x)- cos^{2}(x)= \frac{ \sqrt{3} }{2} \\ cos(2x)= -\frac{ \sqrt{3} }{2} \\ 2x= \pi (+-)arccos( \frac{ \sqrt{3} }{2} )+2 \pi n \\ x= \frac{ \pi +- \frac{ \pi }{6} }{2}+ \pi n$ n пр Z

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fosfor massoj 93 g proreagiroval s izbytkom hlora pri nagrevanii poluchennyj hl717f29862d7b33b0588d605c2f8cb1e1 10564

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sravnite znacheniya funkcij ysinx i y2sinx sushestvuyut li znacheniya argumenta pr

2 reshite pliiiiz5caf916f0ad97e43821985480f807b91 39671

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500+98x...

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