Trigonometry Examples

Evaluate 42/( square root of 7-1)
Step 1
Multiply by .
Step 2
Multiply by .
Step 3
Expand the denominator using the FOIL method.
Step 4
Simplify.
Step 5
Cancel the common factor of and .
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Step 5.1
Factor out of .
Step 5.2
Cancel the common factors.
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Step 5.2.1
Factor out of .
Step 5.2.2
Cancel the common factor.
Step 5.2.3
Rewrite the expression.
Step 5.2.4
Divide by .
Step 6
Apply the distributive property.
Step 7
Multiply by .
Step 8
The result can be shown in multiple forms.
Exact Form:
Decimal Form: