<span>Ethan jogged 1 1/3 miles. Chloe jogged 1 1/4 times as far as Ethan. How many miles did Chloe jog?
2.7miles</span>
<span>2
— = 0.66667
3 hello
</span>
8(51)
=8(50+1)
=(8*50)+(8*1)
=(8*5*10)+(8*1)
=400+8
=408
In the half-angle formula for sine and cosine, notice that a plus/minus sign appears in front of each radical (square root). Whether your answer is positive or negative depends on which quadrant the new angle (the half angle) is in