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Kattterina
@Kattterina
August 2021
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2 уравнения с вариантами ответа. СРОЧНО, ПОЖАЛУЙСТА.
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mmb1
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Tg(-x)=-1
tgx=1
x=π/4+πN ответ 1
--------------------
sin(-2x)=√2/2
sin(2x)=-√2/2
2x=(-1)^(n+1)π/4+πN
x=(-1)^(n+1)π/8+π/2N ответ 4
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Answers & Comments
Verified answer
Tg(-x)=-1tgx=1
x=π/4+πN ответ 1
--------------------
sin(-2x)=√2/2
sin(2x)=-√2/2
2x=(-1)^(n+1)π/4+πN
x=(-1)^(n+1)π/8+π/2N ответ 4