vertices (5x)^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

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prouver cos(2x)−cos(4x)sin(2x)+sin(4x) =tan(x)

Solution

vrai

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Solution steps

One step at a time

cos(2x)−cos(4x)sin(2x)+sin(4x) =tan(x)

En manipulant le côté gauche

cos(2x)−cos(4x)sin(2x)+sin(4x)

Récrire en utilisant des identités trigonométriques

=sin(x)cos(x)

Utiliser l'identité trigonométrique de base: sin(x)cos(x) =tan(x)

=tan(x)

Nous avons démontré que les deux côtés pourraient avoir la même forme

⇒ vrai

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

vertices (5x)^2

Solution

Solution steps

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