3 years ago

CN someone help me with this

Mathematics

1 answer:

Rasek [7]3 years ago

3 0

First .58 then 1.98 3rd 7.53 lastly 14.7

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arlik [135]

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Step-by-step explanation:

they equal 90 degrees

complementary angles equal 90 degrees

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2 years ago

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morpeh [17]

Answer:

x=4

Step-by-step explanation:

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3 years ago

If F(x) = 3x - 2 and G(x) = x2 + 8, what is G(F(x))?

Nikitich [7]

<span>9x^2 - 12x + 12
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tatuchka [14]

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Step-by-step explanation:

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3 years ago

How do you do this trig problem.

loris [4]

Consider a right triangle in which one of the angles $\theta$ satisfies

$\sin\theta=\dfrac35\implies\theta=\sin^{-1}\dfrac35$

That is, the side opposite $\theta$ occurs in a ratio of 3 to 5 with the hypotenuse. The side adjacent to $\theta$ then occurs in a ratio of 4 to 5 with the hypotenuse. In other words,

$\cos\theta=\dfrac45$

because

$\sin^2\theta+\cos^2\theta=\dfrac9{25}+\dfrac{16}{25}=1$

Then in this triangle,

$\cot\theta=\cot\left(\sin^{-1}\dfrac35\right)=\dfrac{\cos\theta}{\sin\theta}=\dfrac{\frac45}{\frac35}=\dfrac43$

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3 years ago