Trigonometry Examples

$\frac{\sec (x) + 1}{\sin (x) + \tan (x)}$

Rewrite $\sec (x)$ in terms of sines and cosines.

$\frac{\frac{1}{\cos (x)} + 1}{\sin (x) + \tan (x)}$

Simplify the denominator.

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Rewrite $\tan (x)$ in terms of sines and cosines.

$\frac{\frac{1}{\cos (x)} + 1}{\sin (x) + \frac{\sin (x)}{\cos (x)}}$

Factor $\sin (x)$ out of $\sin (x) + \frac{\sin (x)}{\cos (x)}$ .

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Multiply by $1$ .

$\frac{\frac{1}{\cos (x)} + 1}{\sin (x) \cdot 1 + \frac{\sin (x)}{\cos (x)}}$

Factor $\sin (x)$ out of $\frac{\sin (x)}{\cos (x)}$ .

$\frac{\frac{1}{\cos (x)} + 1}{\sin (x) \cdot 1 + \sin (x) \frac{1}{\cos (x)}}$

Factor $\sin (x)$ out of $\sin (x) \cdot 1 + \sin (x) \frac{1}{\cos (x)}$ .

$\frac{\frac{1}{\cos (x)} + 1}{\sin (x) (1 + \frac{1}{\cos (x)})}$

Convert from $\frac{1}{\cos (x)}$ to $\sec (x)$ .

$\frac{\sec (x) + 1}{\sin (x) (1 + \frac{1}{\cos (x)})}$

Convert from $\frac{1}{\cos (x)}$ to $\sec (x)$ .

$\frac{\sec (x) + 1}{\sin (x) (1 + \sec (x))}$

Cancel the common factor of $\sec (x) + 1$ and $1 + \sec (x)$ .

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Reorder terms.

$\frac{1 + \sec (x)}{\sin (x) (1 + \sec (x))}$

Cancel the common factor.

$\frac{1 + \sec (x)}{\sin (x) (1 + \sec (x))}$

Rewrite the expression.

$\frac{1}{\sin (x)}$

Convert from $\frac{1}{\sin (x)}$ to $\csc (x)$ .

$\csc (x)$