Question
Download Solution PDFIf sin x = 1/3 then find the value of sin 3x ?
Answer (Detailed Solution Below)
Option 4 : 23/27
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Detailed Solution
Download Solution PDFCONCEPT:
sin 3x = 3 sin x - 4 sin3 x
CALCULATION:
Given: sin x = 1/3
As we know that, sin 3x = 3 sin x - 4 sin3 x
⇒ \(sin \ 3x = (3 \times \frac{1}{3}) - (4 \times \frac{1}{27}) = \frac{23}{27}\)
Hence, the correct option is 4.
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