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Cos(−θ)=−√2/5 , sinθ>0 What is the value of sinθ ?

Cos(−θ)=−√2/5 , sinθ>0 What is the value of sinθ ?
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Cos(−θ)=−√2/5 , sinθ>0 What is the value of sinθ ?

User Mrkishi
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1cosa ..............................

User ATV
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