Precalculus Examples

Simplify csc(-t)tan(-t)
Step 1
Rewrite in terms of sines and cosines, then cancel the common factors.
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Step 1.1
Reorder and .
Step 1.2
Rewrite in terms of sines and cosines.
Step 1.3
Cancel the common factors.
Step 2
Convert from to .
Step 3
Since is an even function, rewrite as .