What is the exact value of sin(15°) using radicals?
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(√6 - √2) / 4
This is found by using the angle difference identity: sin(45° - 30°) = sin(45°)cos(30°) - cos(45°)sin(30°), which yields [(√2/2)(√3/2)] - [(√2/2)(1/2)].
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- Expressed in radicals, what is the exact value of sin(15°)?