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Angle α lies in quadrant II , and tanα=−125 . Angle β lies in quadrant IV , and cosβ=35 .

What is the exact value of sin(α+β) ?



sin(α+β) = {   }

 

This looks like a whole other language to me so if someone could help, I'd greatly appreciate that..

 Mar 30, 2020
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Please help:(

 Mar 30, 2020

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