Problem 105 of 7
Find an acute angle from trig ratio sin(theta)=sqrt(2)/2.
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use inverse trig notation or technology.
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Use inverse trig notation or technology for acute angles.
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Solution
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1. Identify which inverse trig function matches the ratio.
2. Apply inverse sine, cosine, or tangent.
3. Report the acute angle.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Obtuse angle answers in right-triangle acute-angle context.