Question
Download Solution PDFఒకవేళ sin (5x - 25°) = cos(5y + 25°), ఇక్కడ 5x - 25° మరియు 5y + 25° తీవ్రమైన కోణాలు అయితే, (x + y) విలువ:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFఇచ్చినది:
sin (5x - 25°) = cos(5y + 25°), ఇక్కడ 5x - 25° మరియు 5y + 25° తీవ్రమైన కోణాలు,
ఉపయోగించిన భావన:
Sinθ = cos (90°- θ)
గణన:
ప్రశ్న ప్రకారం,
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°
∴ సరైన ఎంపిక 3
Last updated on Jun 13, 2025
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