Respuesta :

bekkarmahdi702

Answer:

first one 5/[tex]\sqrt{39}[/tex]

Step-by-step explanation:

We must calculate cosθ first :

cos²θ+sin²θ =1⇒ cos²θ= 1-sin²θ=1-(25/8)= 39/64⇒cosθ= √39/8

  • tanθ = sinθ/cosθ
  • tanθ= (5/8)/(√39/8)=5/8*8/√39 = 5/√39

Otras preguntas