Mathematics, 18.07.2019 21:00 sierravick123owr441

Tan α = - 4/3 lies in quad 2, and cos β = 2/3 lies in quad 1 find a. cos(α + β) b. sin( α+β) c.

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Tan α = - 4/3 lies in quad 2, and cos β = 2/3 lies in quad 1 find a. cos(α + β) b. sin( α+β) c....