(15*1)/9–15/3=15/9–5=–30/9=–3 1/3
9*loq7(x^2+x-2)<=10*loq7(7)+loq7((x+2)^(-1)*(x-1)^9)
ОДЗ хЄ(-§; -2)+(1; +§)
loq7(7^10)+loq7((x+2)^(-1)*(x-1)^9*)-loq7(((x+2)*(x-1))^9)>=0
loq7((7^10*(x-1)^9*(x+2)^(-1))/((x+2)^9*(x-1)^9)>=0
loq7(7^10*(x+2)^(-10))>=loq7(1)
7^10*(x+2)^(-10)>=1
7^10>=(x+2)^10
7>=x+2
x=<5 с учётом ОДЗ хЄ(-§; -2)+(1; 5]
Sin190 = -0.1736
tg200=0.3639
соответственно sin190 * tg200 = -0.06317304
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