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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.

What is t

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Angle α lies in quadrant II, and tanα=−12/5. Angle β lies in quadrant IV, and cosβ=3/5. What is the...
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