Trigonometry Examples

Simplify (cos(x)-cos(x))^2+(cos(x)+cos(x))^2
Step 1
Subtract from .
Step 2
Simplify each term.
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Step 2.1
Raising to any positive power yields .
Step 2.2
Add and .
Step 2.3
Apply the product rule to .
Step 2.4
Raise to the power of .
Step 3
Add and .