SOLUTION: Find the exact value of the expression: sin(tan^-1(-1))

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Question 547080: Find the exact value of the expression: sin(tan^-1(-1))
Answer by lwsshak3(11628) About Me  (Show Source):
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Find the exact value of the expression: sin(tan^-1(-1))
tan^-1(-1)=π/4 or 45º
sin(tan^-1(-1))=sin(π/4)=√2/2