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Trigonometry
Question

Use the triangle shown to the right to evaluate th...

Use the triangle shown to the right to evaluate the following expression. If necessary, express the value without a square root in the denominator by rationalizing the denominator. 

\( \sin 45 ^ { \circ } \) 

Answer

\(\frac { 1} { \sqrt { 2} } = \frac { \sqrt { 2} } { 2} \approx   0.707\)

Solution
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