(5^2-15)×(2^3+2)

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

☐²

x^☐

√☐

^□√☐

□□

log_□

θ

∞

∫

ddx

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

simplify solve for inverse tangent line

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frequency 4cos(x)

Solution

12π

Decimal

0.15915…

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Frequency definition

For f(x)=A·g(Bx−C)+D, where g(x) is one of the basic trig functions,
the frequency is B2π

f(x)=4cos(x)
g(Bx−C)=cos(x), B=1
B2π =12π

12π

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domain 4cos(x)

range 4cos(x)

periodicity 4cos(x)

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

(5^2-15)×(2^3+2)

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