Trigonometry Examples

Evaluate 2(-1/( square root of 65))(-8/( square root of 65))
Step 1
Multiply by .
Step 2
Combine and simplify the denominator.
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Step 2.1
Multiply by .
Step 2.2
Raise to the power of .
Step 2.3
Raise to the power of .
Step 2.4
Use the power rule to combine exponents.
Step 2.5
Add and .
Step 2.6
Rewrite as .
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Step 2.6.1
Use to rewrite as .
Step 2.6.2
Apply the power rule and multiply exponents, .
Step 2.6.3
Combine and .
Step 2.6.4
Cancel the common factor of .
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Step 2.6.4.1
Cancel the common factor.
Step 2.6.4.2
Rewrite the expression.
Step 2.6.5
Evaluate the exponent.
Step 3
Multiply .
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Step 3.1
Multiply by .
Step 3.2
Combine and .
Step 4
Cancel the common factor of .
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Step 4.1
Move the leading negative in into the numerator.
Step 4.2
Factor out of .
Step 4.3
Cancel the common factor.
Step 4.4
Rewrite the expression.
Step 5
Combine and .
Step 6
Multiply by .
Step 7
The result can be shown in multiple forms.
Exact Form:
Decimal Form: