Trigonometry Examples

Expand Using Sum/Difference Formulas cot(1)
Step 1
Replace with an equivalent expression using the fundamental identities.
Step 2
Simplify.
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Step 2.1
Rewrite in terms of sines and cosines.
Step 2.2
Multiply by the reciprocal of the fraction to divide by .
Step 2.3
Convert from to .
Step 2.4
Evaluate .