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in Trigonometry by (47.8k points)
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The value of sin 15° cos 15° is: 

(a) 1

(b) \(\frac{1}{2}\)

(c) \(\frac{\sqrt{3}}{2}\)

(d) \(\frac{1}{4}\)

1 Answer

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Best answer

(d) \(\frac{1}{4}\)

sin 15° cos 15° = \(\frac{1}{2}\)(2 sin 15° cos 15°) 

= \(\frac{1}{2}\)(sin 30°) 

\(\frac{1}{2}\)(\(\frac{1}{2}\))

\(\frac{1}{4}\)

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