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Find sin(7pie/4) using exact values
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Find sin(7pie/4) using exact values

User Hizmarck
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1 Answer

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sin( ( 7\pi )/(4) )=-sin(2 \pi - ( 7\pi )/(4) )=-sin ( \pi )/(4) =- (1)/( √(2) )
User Osada Lakmal
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