periodicity of 2cos(3x)

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

☐²

x^☐

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ddx

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

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start point (−9, 4), (−132 , 6)

Solution

(−232 , 2)

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Solution steps

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(2x₁−x₂, 2y₁−y₂) :Start point given midpoint (x₁, y₁) and end point (x₂, y₂)

(x₁, y₁)=(−9, 4), (x₂, y₂)=(−132 , 6)

=(2(−9)−(−132 ), 2· 4−6)

פשט

=(−232 , 2)

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

periodicity of 2cos(3x)

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