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Taryn Lambert
Mathematics
4 March, 03:19
Sin 3pi divided by 4
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Alfonso Singleton
4 March, 03:31
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Sin 3pi/4 is angle 135 degrees or 45 degrees below 180 degrees. Hence it's opposite side is 1 and adjacent is 1, implying the hypothenus is sqrt (2). Hence
Sin 3pi/4 = 1/sqrt (2). Now multiply by sqrt (2) / sqrt (2) to get:
[1/sqrt (2).] * [sqrt (2) / sqrt (2) ] = sqrt2) / 2
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