HyperPro195 HyperPro195

14-07-2020
Mathematics

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plz answer question in screen shot

plz answer question in screen shot class=

Respuesta :

bekkarmahdi702 bekkarmahdi702

14-07-2020

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

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