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wel
2 years ago
5

At which x-value does the cosine function attain a maximum value?

Mathematics
1 answer:
Liono4ka [1.6K]2 years ago
7 0

9514 1404 393

Answer:

  x = 0

Step-by-step explanation:

It can help to keep a graph of the cosine function in mind. It starts off at its maximum value at x = 0.

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What is the measure of SQ?<br><br> 1. 95<br> 2. 190<br> 3. 265<br> 4. 360
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Answer:

The measure of arc SQ is 95° ⇒ (1)

Step-by-step explanation:

  • The measure of any circle is 360°
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In the given circle

∵ S lies on the circumference of the circle

∴ ∠QSR is an inscribed angle

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∴ m arc QR = 2 × 95

∴ m arc QR = 190°

→ By using the 1st rule above

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→ Add the like term in the right side

∴ 360 = 265 + m arc QS

→ Subtract 265 from both sides

∵ 360 - 265 = 265 - 265 + m arc SQ

∴ 95° = m arc SQ

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