जर {(3 sin θ – cos θ) / (cos θ + sin θ)} = 1, तर cot θ चे मूल्य किती आहे?

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SSC CGL 2023 Tier-I Official Paper (Held On: 14 Jul 2023 Shift 1)
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Answer (Detailed Solution Below)

Option 3 : 1
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PYST 1:SSC CGL 2023 - Quantitative Aptitude(Held On:14 Jul 2023 Shift 1)
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दिलेल्याप्रमाणे:

{(3Sinθ – Cosθ)/(Cosθ + Sinθ)} = 1

गणना:

आपल्याकडे त्रिकोणमितीय समीकरण आहे

{(3Sinθ – Cosθ)/(Cosθ + Sinθ)} = 1

अंश आणि भाजक यांना sin θ ने भागल्यास, आपल्याला मिळते

⇒ [{(3sinθ – cosθ)/Sinθ}/{(cosθ + sinθ)/sinθ}] = 1

⇒ {(3 – cotθ)/(cotθ + 1)} = 1

⇒ 3 – cotθ = 1 + cotθ

⇒ 2cotθ = 2

cotθ = 1

मूल्य 1 आहे.

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