3 years ago

Plz whoever has the best answer i'll give brainliest.

Mathematics

1 answer:

Ket [755]3 years ago

6 0

Answer:

Hmmm... There's no question which leads to the reasoning that there is no answer.

Step-by-step explanation:

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Cos 4θ − cos 2θ = sin θ

hichkok12 [17]

$cos(4\theta) - cos(2\theta) = sin(\theta)$
$-2sin(\frac{4\theta + 2\theta}{2})sin(\frac{4\theta - 2\theta}{2}) = sin(\theta)$
$-2sin(\frac{6\theta}{2}sin\frac{2\theta}{2}) = sin(\theta)$
$-2sin(3\theta)sin(\theta) = sin(\theta)$
$\frac{-2sin(3\theta)sin(\theta)}{-2sin(\theta)} = \frac{sin(\theta)}{-2sin(\theta)}$
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2 years ago

9a - ab + 5b<br><br>if a = 2 and b = 7

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9a-ab+5b
9(2)-(2)(7)+5(7)
18-14+35
39

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2 years ago

Enter the unknown value that makes this statement true: ___% of 540 is 180

seropon [69]

Answer:

33.3

Step-by-step explanation: