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
Which fraction is less 1/2? 3/8, 5/7, 5/8, or 9/16
1 answer:
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Answer:
<h2>h = 32</h2>Step-by-step explanation:
The formula of an area of a parallelogram:
b - base
h - height
We have
Calculate the area:
<em>divide both sides by 27</em>