Question
Download Solution PDFयदि sin (5x - 25°) = cos(5y + 25°) है, जहाँ 5x - 25° और 5y + 25° न्यूनकोण हैं, तो (x + y) का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFदिया गया है:
sin (5x - 25°) = cos(5y + 25°) है, जहाँ 5x - 25° और 5y + 25° न्यूनकोण हैं,
प्रयुक्त अवधारणा:
Sinθ = cos (90°- θ)
गणना:
प्रश्न के अनुसार,
sin (5x - 25°) = cos(5y + 25°)
⇒ sin (5x - 25°) = sin 90 - (5y + 25°)
⇒ (5x - 25°) = 90° - (5y + 25°)
⇒ 5x + 5y = 90
⇒ x + y = 90/5
⇒ x + y = = 18°
∴ सही विकल्प 3 है।
Last updated on Jun 13, 2025
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