Question
Download Solution PDF6 - 4 sin θ का न्यूनतम मान कितना है, जहाँ 0 ≤ θ ≤ \(\frac{\pi}{2}\)?
This question was previously asked in
CDS Elementary Mathematics 16 April 2023 Official Paper
Answer (Detailed Solution Below)
Option 2 : 2
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Detailed Solution
Download Solution PDFप्रयुक्त अवधारणा:
-1 ≤ sin θ ≤ 1 जब θ ∈ [0, π/2]
गणना:
f(θ) = 6- 4 sin θ
इसे न्यूनतम करने के लिए, (4 sinθ) अधिकतम होना चाहिए।
चूँकि, θ ∈ [0 ,π/2]
sin θ का अधिकतम मान = 1
f(θ)min = 6 - 4 × 1 = 2
∴ 6- 4 sin θ का न्यूनतम मान 2 है।
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