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Question
The value of sin 15° cos 15° is:
Options
1
`1/2`
`sqrt3/2`
`1/4`
MCQ
Solution
`1/4`
Explanation:
sin 15° cos 15° = `1/2` (2 sin 15° cos 15°)
= `1/2` (sin 30°)
`= 1/2 (1/2)`
`= 1/4`
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Trigonometric Ratios of Compound Angles
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