Mathematics, 03.03.2020 22:17, beabivine7023
Angle α lies in quadrant II , and tan α = . Angle β lies in quadrant IV , and cosβ=3/5 .
What is the exact value of sin(α+β) ?
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sin(α+β) =
Answers: 1
lies in quadrant II and 
lies in quadrant IV, we expect 
, 
, and 
.
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Angle α lies in quadrant II , and tan α = . Angle β lies in quadrant IV , and cosβ=3/5 .
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