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2 years ago

I literally don’t get none of this

Mathematics

1 answer:

faust18 [17]2 years ago

5 0

Answer:

Angle 5, 4, and 7.

Step-by-step explanation:

Angle 2 is vertical to angle 5, making them congruent.

Angle 2 corresponds with angle 4, making them congruent.

Angle 2 is an alternate interior to angle 7, making them congruent.

]

The rest of the angles just combine with angle two to make 180.

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2 years ago

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Naddika [18.5K]

Given:

The value is $\dfrac{\sqrt{2}}{2}$ .

To find:

The values from the given options which are equal to the given value.

Solution:

We have,

$\dfrac{\sqrt{2}}{2}$

It can be written as:

$\dfrac{\sqrt{2}}{2}=\dfrac{1}{\sqrt{2}}$

From the standard trigonometric table, we get

$\sin 30^\circ=\dfrac{1}{2}$

$\sin 45^\circ=\dfrac{1}{\sqrt{2}}$

$\cos 45^\circ=\dfrac{1}{\sqrt{2}}$

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From the above values it is clear that the value of $\sin 45^\circ$ and $\cos 45^\circ$ are equal to $\dfrac{1}{\sqrt{2}}$ .

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2 years ago