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

Solutions > Interval Notation Calculator >

sin(75^{\circ})

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

☐²

x^☐

√☐

^□√☐

□□

log_□

π

θ

∞

∫

ddx

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

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sin(75^◦)

Solution

√6+√24

Decimal

0.96592…

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sin(75^◦)

Rewrite using trig identities: sin(45^◦)cos(30^◦)+cos(45^◦)sin(30^◦)

=sin(45^◦)cos(30^◦)+cos(45^◦)sin(30^◦)

Use the following trivial identity: sin(45^◦)=√22

Use the following trivial identity: cos(30^◦)=√32

Use the following trivial identity: cos(45^◦)=√22

Use the following trivial identity: sin(30^◦)=12

=√22 · √32 +√22 · 12

Simplify √22 · √32 +√22 · 12 : √6+√24

=√6+√24

Interval Notation Examples

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