3 tan θ  = 2 என்றால், இன் மதிப்பைக் கண்டறியவும்.

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கொடுக்கப்பட்டவை:

3tanθ = 2

கணக்கீடு:

3tanθ = 2

⇒ tanθ = 2/3

⇒ sinθ/cosθ = 2/3

⇒ sinθ = 2cosθ/3

இப்போது,

 = 

⇒ 

⇒ 

⇒ 

⇒ 

∴ தேவையான பதில் 

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