Trigonometry Examples

Evaluate square root of 1/2*(1-10/13)
Step 1
Simplify the expression.
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Step 1.1
Write as a fraction with a common denominator.
Step 1.2
Combine the numerators over the common denominator.
Step 1.3
Subtract from .
Step 2
Multiply by .
Step 3
Multiply by .
Step 4
Rewrite as .
Step 5
Multiply by .
Step 6
Combine and simplify the denominator.
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Step 6.1
Multiply by .
Step 6.2
Raise to the power of .
Step 6.3
Raise to the power of .
Step 6.4
Use the power rule to combine exponents.
Step 6.5
Add and .
Step 6.6
Rewrite as .
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Step 6.6.1
Use to rewrite as .
Step 6.6.2
Apply the power rule and multiply exponents, .
Step 6.6.3
Combine and .
Step 6.6.4
Cancel the common factor of .
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Step 6.6.4.1
Cancel the common factor.
Step 6.6.4.2
Rewrite the expression.
Step 6.6.5
Evaluate the exponent.
Step 7
Simplify the numerator.
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Step 7.1
Combine using the product rule for radicals.
Step 7.2
Multiply by .
Step 8
The result can be shown in multiple forms.
Exact Form:
Decimal Form: