Precalculus Examples

$\cot (A) \sec (A) \sin (A)$

Step 1

Rewrite in terms of sines and cosines, then cancel the common factors.

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Step 1.1

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

$\frac{\cos (A)}{\sin (A)} \cdot \frac{1}{\cos (A)} \sin (A)$

Step 1.2

Cancel the common factors.

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

Step 2

Cancel the common factor of $\sin (A)$ .

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Step 2.1

Cancel the common factor.

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

Step 2.2

Rewrite the expression.

$1$