Algebra Examples

$12 \tan^{2} (\frac{π}{3}) + 24 \sec^{2} (\frac{π}{6})$

Step 1

Simplify each term.

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Step 1.1

The exact value of $\tan (\frac{π}{3})$ is $\sqrt{3}$ .

$12 {\sqrt{3}}^{2} + 24 \sec^{2} (\frac{π}{6})$

Step 1.2

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

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Step 1.2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$12 {(3^{\frac{1}{2}})}^{2} + 24 \sec^{2} (\frac{π}{6})$

Step 1.2.2

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

$12 \cdot 3^{\frac{1}{2} \cdot 2} + 24 \sec^{2} (\frac{π}{6})$

Step 1.2.3

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

$12 \cdot 3^{\frac{2}{2}} + 24 \sec^{2} (\frac{π}{6})$

Step 1.2.4

Cancel the common factor of $2$ .

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Step 1.2.4.1

Cancel the common factor.

$12 \cdot 3^{\frac{2}{2}} + 24 \sec^{2} (\frac{π}{6})$

Step 1.2.4.2

Rewrite the expression.

$12 \cdot 3^{1} + 24 \sec^{2} (\frac{π}{6})$

Step 1.2.5

Evaluate the exponent.

$12 \cdot 3 + 24 \sec^{2} (\frac{π}{6})$

Step 1.3

Multiply $12$ by $3$ .

$36 + 24 \sec^{2} (\frac{π}{6})$

Step 1.4

The exact value of $\sec (\frac{π}{6})$ is $\frac{2}{\sqrt{3}}$ .

$36 + 24 {(\frac{2}{\sqrt{3}})}^{2}$

Step 1.5

Multiply $\frac{2}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$36 + 24 {(\frac{2}{\sqrt{3}} \cdot \frac{\sqrt{3}}{\sqrt{3}})}^{2}$

Step 1.6

Combine and simplify the denominator.

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Step 1.6.1

Multiply $\frac{2}{\sqrt{3}}$ by $\frac{\sqrt{3}}{\sqrt{3}}$ .

$36 + 24 {(\frac{2 \sqrt{3}}{\sqrt{3} \sqrt{3}})}^{2}$

Step 1.6.2

Raise $\sqrt{3}$ to the power of $1$ .

$36 + 24 {(\frac{2 \sqrt{3}}{{\sqrt{3}}^{1} \sqrt{3}})}^{2}$

Step 1.6.3

Raise $\sqrt{3}$ to the power of $1$ .

$36 + 24 {(\frac{2 \sqrt{3}}{{\sqrt{3}}^{1} {\sqrt{3}}^{1}})}^{2}$

Step 1.6.4

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

$36 + 24 {(\frac{2 \sqrt{3}}{{\sqrt{3}}^{1 + 1}})}^{2}$

Step 1.6.5

Add $1$ and $1$ .

$36 + 24 {(\frac{2 \sqrt{3}}{{\sqrt{3}}^{2}})}^{2}$

Step 1.6.6

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

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Step 1.6.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$36 + 24 {(\frac{2 \sqrt{3}}{{(3^{\frac{1}{2}})}^{2}})}^{2}$

Step 1.6.6.2

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

$36 + 24 {(\frac{2 \sqrt{3}}{3^{\frac{1}{2} \cdot 2}})}^{2}$

Step 1.6.6.3

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

$36 + 24 {(\frac{2 \sqrt{3}}{3^{\frac{2}{2}}})}^{2}$

Step 1.6.6.4

Cancel the common factor of $2$ .

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Step 1.6.6.4.1

Cancel the common factor.

$36 + 24 {(\frac{2 \sqrt{3}}{3^{\frac{2}{2}}})}^{2}$

Step 1.6.6.4.2

Rewrite the expression.

$36 + 24 {(\frac{2 \sqrt{3}}{3^{1}})}^{2}$

Step 1.6.6.5

Evaluate the exponent.

$36 + 24 {(\frac{2 \sqrt{3}}{3})}^{2}$

Step 1.7

Use the power rule ${(a b)}^{n} = a^{n} b^{n}$ to distribute the exponent.

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Step 1.7.1

Apply the product rule to $\frac{2 \sqrt{3}}{3}$ .

$36 + 24 \frac{{(2 \sqrt{3})}^{2}}{3^{2}}$

Step 1.7.2

Apply the product rule to $2 \sqrt{3}$ .

$36 + 24 \frac{2^{2} {\sqrt{3}}^{2}}{3^{2}}$

Step 1.8

Simplify the numerator.

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Step 1.8.1

Raise $2$ to the power of $2$ .

$36 + 24 \frac{4 {\sqrt{3}}^{2}}{3^{2}}$

Step 1.8.2

Rewrite ${\sqrt{3}}^{2}$ as $3$ .

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Step 1.8.2.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{3}$ as $3^{\frac{1}{2}}$ .

$36 + 24 \frac{4 {(3^{\frac{1}{2}})}^{2}}{3^{2}}$

Step 1.8.2.2

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

$36 + 24 \frac{4 \cdot 3^{\frac{1}{2} \cdot 2}}{3^{2}}$

Step 1.8.2.3

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

$36 + 24 \frac{4 \cdot 3^{\frac{2}{2}}}{3^{2}}$

Step 1.8.2.4

Cancel the common factor of $2$ .

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Step 1.8.2.4.1

Cancel the common factor.

$36 + 24 \frac{4 \cdot 3^{\frac{2}{2}}}{3^{2}}$

Step 1.8.2.4.2

Rewrite the expression.

$36 + 24 \frac{4 \cdot 3^{1}}{3^{2}}$

Step 1.8.2.5

Evaluate the exponent.

$36 + 24 \frac{4 \cdot 3}{3^{2}}$

Step 1.9

Raise $3$ to the power of $2$ .

$36 + 24 \frac{4 \cdot 3}{9}$

Step 1.10

Multiply $4$ by $3$ .

$36 + 24 (\frac{12}{9})$

Step 1.11

Cancel the common factor of $3$ .

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Step 1.11.1

Factor $3$ out of $24$ .

$36 + 3 (8) \frac{12}{9}$

Step 1.11.2

Factor $3$ out of $9$ .

$36 + 3 \cdot 8 \frac{12}{3 \cdot 3}$

Step 1.11.3

Cancel the common factor.

$36 + 3 \cdot 8 \frac{12}{3 \cdot 3}$

Step 1.11.4

Rewrite the expression.

$36 + 8 (\frac{12}{3})$

Step 1.12

Combine $8$ and $\frac{12}{3}$ .

$36 + \frac{8 \cdot 12}{3}$

Step 1.13

Multiply $8$ by $12$ .

$36 + \frac{96}{3}$

Step 1.14

Divide $96$ by $3$ .

$36 + 32$

Step 2

Add $36$ and $32$ .

$68$