Mathematics, 03.03.2021 20:40 aishacobb
Angle α lies in quadrant II, and tanα=−12/5. Angle β lies in quadrant IV, and cosβ=3/5.
What is the exact value of sin(α+β)?
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Angle α lies in quadrant II, and tanα=−12/5. Angle β lies in quadrant IV, and cosβ=3/5.
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