Algebra Examples

Evaluate pi/2-(-pi/2)
Step 1
Multiply .
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Step 1.1
Multiply by .
Step 1.2
Multiply by .
Step 2
Combine the numerators over the common denominator.
Step 3
Add and .
Step 4
Cancel the common factor of .
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Step 4.1
Cancel the common factor.
Step 4.2
Divide by .
Step 5
The result can be shown in multiple forms.
Exact Form:
Decimal Form: