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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Remove parentheses around .
One to any power is one.
Remove parentheses around .
Raise to the power of to get .
Add and to get .
therefore .
Simplify .
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Multiply by .
Simplify.
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Combine.
Raise to the power of .
Raise to the power of .
Use the power rule to combine exponents.
Add and to get .
Rewrite as .
Approximate the result.
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