Tanα=−2,π2 < α < π and cotβ=−2, 3π2 < β<2π
sin(α+β)=
cos(α-β)=
t...
Mathematics, 12.02.2021 20:20 pearlielb
Tanα=−2,π2 < α < π and cotβ=−2, 3π2 < β<2π
sin(α+β)=
cos(α-β)=
tan(α+β)=
Answers: 3
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