3 years ago

Mr. Patel decided to challenge his Algebra I students by asking them to describe the effect 2f | 1x would have on the

Mathematics

1 answer:

SVEN [57.7K]3 years ago

4 0

Answer:

The parabola would stretch both vertically and horizontally by a factor of 2.

Step-by-step explanation:

I just took the quiz on Edg.

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A proof should always begin with stating the given information.<br> True<br> False

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<span>A proof should always begin with stating the given information.
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Given that cos(30°) = cos(45°)cos(15°) + sin(45°)sin(15°), it follows that cos(30°) =

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Answer:

$cos(30\°) = cos(45\°-15\°)$

Step-by-step explanation:

To solve this problem you must know the formula of subtraction of angles for the function cosx.

The formula is:

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We can write 30° as: 45° - 15°

Then:

$cos(30\°) = cos(45\°-15\°)$

Using the formula for subtraction of angles we have:

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