Trigonometry Examples

$\sin (θ) = \frac{5}{6}$ , $\cos (θ) = \frac{\sqrt{11}}{6}$

Step 1

To find the value of $\tan (θ)$ , use the fact that $\tan (θ) = \frac{\sin (θ)}{\cos (θ)}$ then substitute in the known values.

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{\frac{5}{6}}{\frac{\sqrt{11}}{6}}$

Step 2

Simplify the result.

Tap for more steps...

Step 2.1

Multiply the numerator by the reciprocal of the denominator.

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5}{6} \cdot \frac{6}{\sqrt{11}}$

Step 2.2

Cancel the common factor of $6$ .

Tap for more steps...

Step 2.2.1

Cancel the common factor.

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5}{6} \cdot \frac{6}{\sqrt{11}}$

Step 2.2.2

Rewrite the expression.

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = 5 (\frac{1}{\sqrt{11}})$

Step 2.3

Combine $5$ and $\frac{1}{\sqrt{11}}$ .

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5}{\sqrt{11}}$

Step 2.4

Multiply $\frac{5}{\sqrt{11}}$ by $\frac{\sqrt{11}}{\sqrt{11}}$ .

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5}{\sqrt{11}} \cdot \frac{\sqrt{11}}{\sqrt{11}}$

Step 2.5

Combine and simplify the denominator.

Tap for more steps...

Step 2.5.1

Multiply $\frac{5}{\sqrt{11}}$ by $\frac{\sqrt{11}}{\sqrt{11}}$ .

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{\sqrt{11} \sqrt{11}}$

Step 2.5.2

Raise $\sqrt{11}$ to the power of $1$ .

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{\sqrt{11} \sqrt{11}}$

Step 2.5.3

Raise $\sqrt{11}$ to the power of $1$ .

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{\sqrt{11} \sqrt{11}}$

Step 2.5.4

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

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{{\sqrt{11}}^{1 + 1}}$

Step 2.5.5

Add $1$ and $1$ .

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{{\sqrt{11}}^{2}}$

Step 2.5.6

Rewrite ${\sqrt{11}}^{2}$ as $11$ .

Tap for more steps...

Step 2.5.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{11}$ as $11^{\frac{1}{2}}$ .

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{{(11^{\frac{1}{2}})}^{2}}$

Step 2.5.6.2

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

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{11^{\frac{1}{2} \cdot 2}}$

Step 2.5.6.3

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

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{11^{\frac{2}{2}}}$

Step 2.5.6.4

Cancel the common factor of $2$ .

Tap for more steps...

Step 2.5.6.4.1

Cancel the common factor.

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{11^{\frac{2}{2}}}$

Step 2.5.6.4.2

Rewrite the expression.

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{11}$

Step 2.5.6.5

Evaluate the exponent.

$\tan (θ) = \frac{\sin (θ)}{\cos (θ)} = \frac{5 \sqrt{11}}{11}$

Step 3

To find the value of $\cot (θ)$ , use the fact that $\frac{1}{\tan (θ)}$ then substitute in the known values.

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{1}{\frac{5 \sqrt{11}}{11}}$

Step 4

Simplify the result.

Tap for more steps...

Step 4.1

Multiply the numerator by the reciprocal of the denominator.

$\cot (θ) = \frac{1}{\tan (θ)} = 1 (\frac{11}{5 \sqrt{11}})$

Step 4.2

Multiply $\frac{11}{5 \sqrt{11}}$ by $1$ .

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11}{5 \sqrt{11}}$

Step 4.3

Multiply $\frac{11}{5 \sqrt{11}}$ by $\frac{\sqrt{11}}{\sqrt{11}}$ .

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11}{5 \sqrt{11}} \cdot \frac{\sqrt{11}}{\sqrt{11}}$

Step 4.4

Combine and simplify the denominator.

Tap for more steps...

Step 4.4.1

Multiply $\frac{11}{5 \sqrt{11}}$ by $\frac{\sqrt{11}}{\sqrt{11}}$ .

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 \sqrt{11} \sqrt{11}}$

Step 4.4.2

Move $\sqrt{11}$ .

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 (\sqrt{11} \sqrt{11})}$

Step 4.4.3

Raise $\sqrt{11}$ to the power of $1$ .

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 (\sqrt{11} \sqrt{11})}$

Step 4.4.4

Raise $\sqrt{11}$ to the power of $1$ .

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 (\sqrt{11} \sqrt{11})}$

Step 4.4.5

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

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 {\sqrt{11}}^{1 + 1}}$

Step 4.4.6

Add $1$ and $1$ .

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 {\sqrt{11}}^{2}}$

Step 4.4.7

Rewrite ${\sqrt{11}}^{2}$ as $11$ .

Tap for more steps...

Step 4.4.7.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{11}$ as $11^{\frac{1}{2}}$ .

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 {(11^{\frac{1}{2}})}^{2}}$

Step 4.4.7.2

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

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 \cdot 11^{\frac{1}{2} \cdot 2}}$

Step 4.4.7.3

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

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 \cdot 11^{\frac{2}{2}}}$

Step 4.4.7.4

Cancel the common factor of $2$ .

Tap for more steps...

Step 4.4.7.4.1

Cancel the common factor.

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 \cdot 11^{\frac{2}{2}}}$

Step 4.4.7.4.2

Rewrite the expression.

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 \cdot 11}$

Step 4.4.7.5

Evaluate the exponent.

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 \cdot 11}$

Step 4.5

Cancel the common factor of $11$ .

Tap for more steps...

Step 4.5.1

Cancel the common factor.

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{11 \sqrt{11}}{5 \cdot 11}$

Step 4.5.2

Rewrite the expression.

$\cot (θ) = \frac{1}{\tan (θ)} = \frac{\sqrt{11}}{5}$

Step 5

To find the value of $\sec (θ)$ , use the fact that $\frac{1}{\cos (θ)}$ then substitute in the known values.

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{1}{\frac{\sqrt{11}}{6}}$

Step 6

Simplify the result.

Tap for more steps...

Step 6.1

Multiply the numerator by the reciprocal of the denominator.

$\sec (θ) = \frac{1}{\cos (θ)} = 1 (\frac{6}{\sqrt{11}})$

Step 6.2

Multiply $\frac{6}{\sqrt{11}}$ by $1$ .

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6}{\sqrt{11}}$

Step 6.3

Multiply $\frac{6}{\sqrt{11}}$ by $\frac{\sqrt{11}}{\sqrt{11}}$ .

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6}{\sqrt{11}} \cdot \frac{\sqrt{11}}{\sqrt{11}}$

Step 6.4

Combine and simplify the denominator.

Tap for more steps...

Step 6.4.1

Multiply $\frac{6}{\sqrt{11}}$ by $\frac{\sqrt{11}}{\sqrt{11}}$ .

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{\sqrt{11} \sqrt{11}}$

Step 6.4.2

Raise $\sqrt{11}$ to the power of $1$ .

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{\sqrt{11} \sqrt{11}}$

Step 6.4.3

Raise $\sqrt{11}$ to the power of $1$ .

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{\sqrt{11} \sqrt{11}}$

Step 6.4.4

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

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{{\sqrt{11}}^{1 + 1}}$

Step 6.4.5

Add $1$ and $1$ .

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{{\sqrt{11}}^{2}}$

Step 6.4.6

Rewrite ${\sqrt{11}}^{2}$ as $11$ .

Tap for more steps...

Step 6.4.6.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{11}$ as $11^{\frac{1}{2}}$ .

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{{(11^{\frac{1}{2}})}^{2}}$

Step 6.4.6.2

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

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{11^{\frac{1}{2} \cdot 2}}$

Step 6.4.6.3

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

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{11^{\frac{2}{2}}}$

Step 6.4.6.4

Cancel the common factor of $2$ .

Tap for more steps...

Step 6.4.6.4.1

Cancel the common factor.

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{11^{\frac{2}{2}}}$

Step 6.4.6.4.2

Rewrite the expression.

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{11}$

Step 6.4.6.5

Evaluate the exponent.

$\sec (θ) = \frac{1}{\cos (θ)} = \frac{6 \sqrt{11}}{11}$

Step 7

To find the value of $\csc (θ)$ , use the fact that $\frac{1}{\sin (θ)}$ then substitute in the known values.

$\csc (θ) = \frac{1}{\sin (θ)} = \frac{1}{\frac{5}{6}}$

Step 8

Simplify the result.

Tap for more steps...

Step 8.1

Multiply the numerator by the reciprocal of the denominator.

$\csc (θ) = \frac{1}{\sin (θ)} = 1 (\frac{6}{5})$

Step 8.2

Multiply $\frac{6}{5}$ by $1$ .

$\csc (θ) = \frac{1}{\sin (θ)} = \frac{6}{5}$

Step 9

The trig functions found are as follows:

$\sin (θ) = \frac{5}{6}$

$\cos (θ) = \frac{\sqrt{11}}{6}$

$\tan (θ) = \frac{5 \sqrt{11}}{11}$

$\cot (θ) = \frac{\sqrt{11}}{5}$

$\sec (θ) = \frac{6 \sqrt{11}}{11}$

$\csc (θ) = \frac{6}{5}$