Question

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Answer 1

Explicación paso a paso:

Sen(2θ+15)Cos40 = Cos(5θ+5)Sen50

Sen(2θ+15)Sen50 = Cos(5θ+5)Sen50

Sen(2θ+15) = Cos(5θ+5)

2θ + 15 + 5θ + 5 = 90

7θ + 20 = 90

7θ = 70

θ = 10

Calcule :

Z = √3tan(60)+cos(30)/√3

Z = √3(√3) + (√3/2)/√3

Z = 3 + 1/2

Z = 7/2