যদি 3 tan θ = 2, সন্ধান করে বলুন    এর মান কত?

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RRB ALP CBT I 29 Aug 2018 Shift 2 Official Paper
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প্রদত্ত :

3tanθ = 2

গণনা:

3tanθ = 2

⇒ tanθ = 2/3

⇒ sinθ/cosθ = 2/3

⇒ sinθ = 2cosθ/3

এখন ,

 = 

⇒ 

⇒ 

⇒ 

⇒ 

∴ নির্ণেয় উত্তরটি হল  

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