Trigonometry Examples

Evaluate 2 square root of 5( square root of 20+3)
Step 1
Simplify each term.
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Step 1.1
Rewrite as .
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Step 1.1.1
Factor out of .
Step 1.1.2
Rewrite as .
Step 1.2
Pull terms out from under the radical.
Step 2
Apply the distributive property.
Step 3
Multiply .
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Step 3.1
Multiply by .
Step 3.2
Raise to the power of .
Step 3.3
Raise to the power of .
Step 3.4
Use the power rule to combine exponents.
Step 3.5
Add and .
Step 4
Multiply by .
Step 5
Simplify each term.
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Step 5.1
Rewrite as .
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Step 5.1.1
Use to rewrite as .
Step 5.1.2
Apply the power rule and multiply exponents, .
Step 5.1.3
Combine and .
Step 5.1.4
Cancel the common factor of .
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Step 5.1.4.1
Cancel the common factor.
Step 5.1.4.2
Rewrite the expression.
Step 5.1.5
Evaluate the exponent.
Step 5.2
Multiply by .
Step 6
The result can be shown in multiple forms.
Exact Form:
Decimal Form: