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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
To create a line that is perpendicular to the one given, completely invert the slope.
y = -3/2x + 9
Answer: c 6
Step-by-step explanation:
3 2/3 +2.3...
2.3....=2 1/3
3 2/3 + 2 1/3= 5 3/2
=6