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Trigonometry Examples
Popular Problems
Trigonometry
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 .
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