jstacho28 jstacho28

19-06-2020
Mathematics

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If y = 1 and y = cos x , list the values of x where 0 degrees <= x <= 360 degrees to make these statements true.

If y 1 and y cos x list the values of x where 0 degrees lt x lt 360 degrees to make these statements true class=

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marybrownie36 marybrownie36

19-06-2020

Answer:

90°

Step-by-step explanation:

cosx = y=1

Therefore cosx =1

For cosx= 1

x= 90°, 450°, 810° ... etc.

Now 0° ≤ x ≤ 360°

The only value that satisfies both relations is 90°

Therefore, x= 90°

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