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professor190 [17]
3 years ago
5

Cos(x/3)cos(x/3)=1/2(1+cos(2x/3))

Mathematics
2 answers:
TEA [102]3 years ago
6 0
This follows from the half-angle identity for cosine.

\cos^2\theta=\dfrac{1+\cos2\theta}2
aleksklad [387]3 years ago
4 0

Answer:

it's true, don't have a step by step explanation just did it on my test.

Step-by-step explanation:

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Evan's rectangular lawn measures 8 yards by 10 yards. He planted a hedge
bezimeni [28]

Answer:

Length of rectangular lawn =72 meters

Breadth of rectangular lawn =18 meters

Perimeter of rectangle =2(Length+Breadth)

So, Perimeter of rectangle =2(72+18)=2(90)=180 meters

If three shrubs can be planted in a meter of hedge.

Then, Number of shrubs planted in whole perimeter will be=3×180=540

Step-by-step explanation:

8 0
2 years ago
In one day, 18 people each withdrew $100 from an atm machine.What was the overall change in the amount of money in the atm machi
tamaranim1 [39]

Answer:

1,800??

Step-by-step explanation:


7 0
4 years ago
Umm a little help pls?!
k0ka [10]

Answer:

116 degrees

Step-by-step explanation:

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64+x=180

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116=116

6 0
3 years ago
Read 2 more answers
Find an equation for the nth term of the sequence. <br><br> -4, -16, -64, -256, ...
Andrews [41]
This is a geometric sequence  with first term a1 = -4 and common ratio r = 4

so nth term  = a1* r^(n-1)

                   = -4 *4^(n-1)
5 0
3 years ago
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A jet ski company charges a flat fee of $24.00 plus $2.25 per hour to rent a jet ski. Another company charges a fee of $23.00 pl
Zarrin [17]
The advantage of the graphing calculator is that you just have to find two independent equations, introduce them in the calculator and it will find the intersection point ot the two graphs.

The equations that you have to introduce are:

1) y = 2.25x + 24

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The algebraic solution, which will give you the same coordinates of the intersection point of the graphs is

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Answer: 2
6 0
3 years ago
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