If someone tells you your body temperature is 98.6°, what scale is being used? How do you know?
1 answer:
You might be interested in
9514 1404 393
Explanation:
The sine of an angle in standard position is the y-coordinate of the intersection of its terminal ray with the unit circle. When the angle is in the range 180° < θ < 360°, that point of intersection is in quadrant III or IV, where y-coordinates are negative.
__
<em>Alternative explanation</em>:
That is where the sine curve is below the x-axis.
Cross-Multiply:
Evaluate:
Divide both sides by 9:
Answer: x = 8