Find the Cosine (one divide two , minus square root of three divide two)

Find the Cosine (1/2,- square root of 3/2)
To find the between the x-axis and the line between the points and , draw the triangle between the three points , , and .
Opposite :
Adjacent :
Find the hypotenuse using Pythagorean theorem .
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Use the product rule for .
One raised to any power equals one.
Raise to the power of .
Should be rewritten as .
First, multiply by .
Add and Clarify the denominator.
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Multiply and .
Raise to the power of .
Raise to the power of .
Apply the power rule to Add exponents.
Add and .
Rewrite as .
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Use to rewrite as .
Use the power rule when multiplying the exponents, .
Combine and .
The common factor should be canceled of .
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Cancel the common factor.
First, divide by .
Solve the exponent.
Clarify the numerator.
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Add using the product rule for radicals.
Multiply by .
Use the power rule for exponent distribution.
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Apply the product rule to .
Apply the product rule to .
Clarify the expression.
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Raise to the power of .
Multiply by .
Rewrite as .
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Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
The common factor should be canceled.
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Cancel the common factor.
Divide by .
Evaluate the exponent.
Raise to the power of .
The common factor should be canceled and .
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Factor out of .
The common factors should be canceled.
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Factor out of .
Cancel the common factor.
Reformulate the expression.
To write as a fraction with a common denominator, multiply by .
Write each expression with a common denominator of , by multiplying each by an appropriate factor of .
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Multiply and .
First, multiply by .
Add numerators over the common denominator.
Clarify the numerator.
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Multiply by .
Add and .
Rewrite as .
Simplify the denominator.
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Rewrite as .
Withdraw terms from under the radical, assuming positive real numbers.
therefore .
Simplify .
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Multiply the numerator by the denominator's reciprocal.
Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Multiply by .
Add and then simplify the denominator.
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Multiply and .
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and .
Rewrite as .
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Use to rewrite as .
Apply the power rule and multiply exponents, .
Combine and .
Cancel the common factor of .
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Cancel the common factor.
Divide by .
Evaluate the exponent.
Approximate the result.
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