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ValentinkaMS [17]
3 years ago
12

The unit circle has been drawn on the graph. Plot all the points where the absolute value of sin 0 is 1/2.

Mathematics
2 answers:
Rzqust [24]3 years ago
5 0

Answer:

sin  pi/6,   sin 5pi/6

Step-by-step explanation: sin pi/6=1/2

sin (pi-pi/6)=sin (6pi-pi)/6=sin 5pi/6=1/2

stellarik [79]3 years ago
3 0

I hope this helps you

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Answer: 33 ft².


Step-by-step explanation:

1. As you can see in the figure attached, the trapezoid is formed by a rectangle and two equal right triangles. The base of each triangle is 4 feet and you know the lenght of the hypotenuse AD, therefore, you can calculate the height by applying the Pythagorean Theorem:

h=\sqrt{(5ft)^{2}-(4ft)^{2}}=3ft

2. Now, you can calculate the area with the following formula:

A=(\frac{B+b}{2})h

Where <em>B</em> is the longer base,<em> b</em> is the shorter base and <em>h</em> is the height.

Then:

A=(\frac{15ft+7ft}{2})(3ft)=33ft^{2}

8 0
4 years ago
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