3 years ago

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

Mathematics

1 answer:

Gemiola [76]3 years ago

6 0

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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