Question

Tengo que resolver
Sen(α-β)
Si tan α = -4/3
Si π/2 < α < π
Si Cos β= 1/2
Si 0 < β < π/2

Answer 1

Sen(α-β)

Si tan α = -4/3=65π

Si π/2 < α < π=876l÷׶

Si Cos β= 1/2=7√√

Si 0 < β < π/2=919€