домен (x-2)^3

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`x`²	`x`^□	log_□	√☐	^□√☐	≤	≥	□□	·	÷	`x`^◦	π
(☐)^′	`ddx`	∂∂`x`	∫	∫_□^□	lim	∑	∞	`θ`	(`f` ◦ `g`)	`f`(`x`)

☐²

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ddx

≥	≤	·	÷	`x`^◦	(☐)	\|☐\|	(`f` ◦ `g`)	`f`(`x`)	ln	`e`^☐
(☐)^′	∂∂`x`	∫_□^□	lim	∑	sin	cos	tan	cot	csc	sec

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периодичность cos(7x)

Solution

2π7

Decimal

0.89759…

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Solution steps

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Периодичность a·cos(bx + c) + d=Периодичность cos(x)|b|

Периодичностью cos(x) является 2π

=2π|7|

После упрощения получаем

=2π7

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домен cos(7x)

диапазон cos(7x)

амплитуда cos(7x)

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−▭▭	<	7	8	9	÷	`AC`
+▭▭	>	4	5	6	×	☐☐☐
×▭▭	(	1	2	3	−	`x`
▭ \|▭	)	.	0	=	+	`y`

домен (x-2)^3

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