Proving trigonometric identities Calculator
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$\frac{\cos\left(45\right)\cdot \tan\left(45\right)+\sin\left(45\right)}{\tan\left(45\right)}=2\cos\left(45\right)$
2
Calculating the sine of $45$ degrees
$\frac{0.8509+\tan\left(45\right)\cdot \cos\left(45\right)}{\tan\left(45\right)}=\cos\left(45\right)\cdot 2$
3
Calculating the cosine of $45$ degrees
$\frac{0.8509+\tan\left(45\right)\cdot 0.5253}{\tan\left(45\right)}=0.5253\cdot 2$
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Multiply $2$ times $\frac{83}{158}$
$\frac{0.8509+\tan\left(45\right)\cdot 0.5253}{\tan\left(45\right)}=1.0506$
5
Calculating the tangent of $45$ degrees
$\frac{0.8509+1.6198\cdot 0.5253}{1.6198}=1.0506$
6
Multiply $\frac{83}{158}$ times $\sqrt[4]{47}$
$\frac{0.8509+0.8509}{1.6198}=1.0506$
7
Add the values $\frac{8}{\sqrt[3]{2}}$ and $\frac{8}{\sqrt[3]{2}}$
$\frac{1.7018}{1.6198}=1.0506$
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Divide $\sqrt[3]{8}$ by $\sqrt[4]{47}$
$1.0506=1.0506$
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$1.0506$ equal to $1.0506$
$true$