sequence type a_{n}=4(-2)^{n-1}

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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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improper fraction 1· 13

Solution

Decimal

0.33333…

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Solution steps

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tan(195^◦)

tan(195^◦)=tan(15^◦)

=tan(15^◦)

Rewrite using trig identities: tan(45^◦)−tan(30^◦)1+tan(45^◦)tan(30^◦)

=tan(45^◦)−tan(30^◦)1+tan(45^◦)tan(30^◦)

Use the following trivial identity: tan(45^◦)=1

Use the following trivial identity: tan(30^◦)=√33

=1−√33 1+1· √33

Simplify 1−√33 1+1· √33 : 2−√3

=2−√3

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

sequence type a_{n}=4(-2)^{n-1}

Solution

Solution steps

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