Question
Download Solution PDFयदि sin x = 1/3 तो sin 3x का मान ज्ञात कीजिए।
Answer (Detailed Solution Below)
Option 4 : 23/27
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Detailed Solution
Download Solution PDFअवधारणा:
sin 3x = 3 sin x - 4 sin3 x
गणना:
दिया गया है: sin x = 1/3
जैसा कि हम जानते हैं कि sin 3x = 3 sin x - 4 sin3 x
⇒ \(sin \ 3x = (3 \times \frac{1}{3}) - (4 \times \frac{1}{27}) = \frac{23}{27}\)
अत: सही विकल्प 4 है।
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