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xxTIMURxx [149]
3 years ago
6

439 • 44 estimate: 10

Mathematics
1 answer:
aev [14]3 years ago
5 0

Answer:

19320

Step-by-step explanation:

brainliest please

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Step-by-step explanation: it would be 12 because you are dividing the number uf players by the number of players on each team

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acd

Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Prove that sin20sin40sin60sin80=3/16
never [62]
We'll use the following properties of sine and cosine to prove this:

sin(a)\cdot sin(b) = \frac12(cos(a-b) - cos(a+b))

cos(a)\cdot cos(b) = \frac12(cos(a+b) + cos(a-b))

cos(180+a) = cos(180-a)

Then it's just a matter of filling it in...

sin20sin40 * sin60sin80 = 1/2(cos20 - cos60) * 1/2 (cos20 - cos140) =

1/8( cos40 + 1 - cos160 - cos120 - cos40 - cos80 + cos80 + cos200) =

1/8(1 -  cos160 - cos120 + cos200) =

1/8(1 -  cos160 - cos120 + cos160) =

1/8(1 - cos120 ) = 1/8( 1 + 1/2 ) = 3/16

5 0
3 years ago
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