Trigonometry Examples

Simplify (1-tan(x))(1+cot(x))
Step 1
Expand using the FOIL Method.
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Step 1.1
Apply the distributive property.
Step 1.2
Apply the distributive property.
Step 1.3
Apply the distributive property.
Step 2
Simplify and combine like terms.
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Step 2.1
Simplify each term.
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Step 2.1.1
Multiply by .
Step 2.1.2
Multiply by .
Step 2.1.3
Multiply by .
Step 2.1.4
Rewrite in terms of sines and cosines, then cancel the common factors.
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Step 2.1.4.1
Add parentheses.
Step 2.1.4.2
Reorder and .
Step 2.1.4.3
Rewrite in terms of sines and cosines.
Step 2.1.4.4
Cancel the common factors.
Step 2.1.5
Multiply by .
Step 2.2
Subtract from .
Step 2.3
Add and .