Trigonometry Examples

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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Raise to the power of .
Raise to the power of .
Add and .
Rewrite as .
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Factor out of .
Rewrite as .
Pull terms out from under the radical.
therefore .
Simplify .
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Cancel the common factor of .
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Cancel the common factor.
Rewrite the expression.
Multiply by .
Combine and 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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