Trigonometry Examples

$\sqrt{\frac{1 - (- \frac{6}{\sqrt{61}})}{2}}$

Step 1

Multiply $\frac{6}{\sqrt{61}}$ by $\frac{\sqrt{61}}{\sqrt{61}}$ .

$\sqrt{\frac{1 - - (\frac{6}{\sqrt{61}} \cdot \frac{\sqrt{61}}{\sqrt{61}})}{2}}$

Step 2

Combine and simplify the denominator.

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Step 2.1

Multiply $\frac{6}{\sqrt{61}}$ by $\frac{\sqrt{61}}{\sqrt{61}}$ .

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{\sqrt{61} \sqrt{61}}}{2}}$

Step 2.2

Raise $\sqrt{61}$ to the power of $1$ .

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{{\sqrt{61}}^{1} \sqrt{61}}}{2}}$

Step 2.3

Raise $\sqrt{61}$ to the power of $1$ .

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{{\sqrt{61}}^{1} {\sqrt{61}}^{1}}}{2}}$

Step 2.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{{\sqrt{61}}^{1 + 1}}}{2}}$

Step 2.5

Add $1$ and $1$ .

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{{\sqrt{61}}^{2}}}{2}}$

Step 2.6

Rewrite ${\sqrt{61}}^{2}$ as $61$ .

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Step 2.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{61}$ as $61^{\frac{1}{2}}$ .

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{{(61^{\frac{1}{2}})}^{2}}}{2}}$

Step 2.6.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{61^{\frac{1}{2} \cdot 2}}}{2}}$

Step 2.6.3

Combine $\frac{1}{2}$ and $2$ .

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{61^{\frac{2}{2}}}}{2}}$

Step 2.6.4

Cancel the common factor of $2$ .

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Step 2.6.4.1

Cancel the common factor.

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{61^{\frac{2}{2}}}}{2}}$

Step 2.6.4.2

Rewrite the expression.

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{61^{1}}}{2}}$

Step 2.6.5

Evaluate the exponent.

$\sqrt{\frac{1 - - \frac{6 \sqrt{61}}{61}}{2}}$

Step 3

Multiply $- - \frac{6 \sqrt{61}}{61}$ .

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Step 3.1

Multiply $- 1$ by $- 1$ .

$\sqrt{\frac{1 + 1 \frac{6 \sqrt{61}}{61}}{2}}$

Step 3.2

Multiply $\frac{6 \sqrt{61}}{61}$ by $1$ .

$\sqrt{\frac{1 + \frac{6 \sqrt{61}}{61}}{2}}$

Step 4

Write $1$ as a fraction with a common denominator.

$\sqrt{\frac{\frac{61}{61} + \frac{6 \sqrt{61}}{61}}{2}}$

Step 5

Combine the numerators over the common denominator.

$\sqrt{\frac{\frac{61 + 6 \sqrt{61}}{61}}{2}}$

Step 6

Multiply the numerator by the reciprocal of the denominator.

$\sqrt{\frac{61 + 6 \sqrt{61}}{61} \cdot \frac{1}{2}}$

Step 7

Multiply $\frac{61 + 6 \sqrt{61}}{61} \cdot \frac{1}{2}$ .

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Step 7.1

Multiply $\frac{61 + 6 \sqrt{61}}{61}$ by $\frac{1}{2}$ .

$\sqrt{\frac{61 + 6 \sqrt{61}}{61 \cdot 2}}$

Step 7.2

Multiply $61$ by $2$ .

$\sqrt{\frac{61 + 6 \sqrt{61}}{122}}$

Step 8

Rewrite $\sqrt{\frac{61 + 6 \sqrt{61}}{122}}$ as $\frac{\sqrt{61 + 6 \sqrt{61}}}{\sqrt{122}}$ .

$\frac{\sqrt{61 + 6 \sqrt{61}}}{\sqrt{122}}$

Step 9

Multiply $\frac{\sqrt{61 + 6 \sqrt{61}}}{\sqrt{122}}$ by $\frac{\sqrt{122}}{\sqrt{122}}$ .

$\frac{\sqrt{61 + 6 \sqrt{61}}}{\sqrt{122}} \cdot \frac{\sqrt{122}}{\sqrt{122}}$

Step 10

Combine and simplify the denominator.

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Step 10.1

Multiply $\frac{\sqrt{61 + 6 \sqrt{61}}}{\sqrt{122}}$ by $\frac{\sqrt{122}}{\sqrt{122}}$ .

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{\sqrt{122} \sqrt{122}}$

Step 10.2

Raise $\sqrt{122}$ to the power of $1$ .

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{{\sqrt{122}}^{1} \sqrt{122}}$

Step 10.3

Raise $\sqrt{122}$ to the power of $1$ .

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{{\sqrt{122}}^{1} {\sqrt{122}}^{1}}$

Step 10.4

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{{\sqrt{122}}^{1 + 1}}$

Step 10.5

Add $1$ and $1$ .

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{{\sqrt{122}}^{2}}$

Step 10.6

Rewrite ${\sqrt{122}}^{2}$ as $122$ .

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Step 10.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{122}$ as $122^{\frac{1}{2}}$ .

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{{(122^{\frac{1}{2}})}^{2}}$

Step 10.6.2

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{122^{\frac{1}{2} \cdot 2}}$

Step 10.6.3

Combine $\frac{1}{2}$ and $2$ .

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{122^{\frac{2}{2}}}$

Step 10.6.4

Cancel the common factor of $2$ .

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Step 10.6.4.1

Cancel the common factor.

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{122^{\frac{2}{2}}}$

Step 10.6.4.2

Rewrite the expression.

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{122^{1}}$

Step 10.6.5

Evaluate the exponent.

$\frac{\sqrt{61 + 6 \sqrt{61}} \sqrt{122}}{122}$

Step 11

Combine using the product rule for radicals.

$\frac{\sqrt{(61 + 6 \sqrt{61}) \cdot 122}}{122}$

Step 12

The result can be shown in multiple forms.

Exact Form:

$\frac{\sqrt{(61 + 6 \sqrt{61}) \cdot 122}}{122}$

Decimal Form:

$0.94027157 \dots$