A point on the terminal side of an acute angle in standard position is (1, 2 √2). Find the cosine value of this angle.
1 answer:
Answer:
Step-by-step explanation:
The point at the terminal side of an acute angle is given by .
That is,
and .
Let r be the length of line segment drawn from the origin to the point and is given by the formula:
Substituting the values of x and y into r,
Thus,
Also, is given by:
Substituting values of x and r,
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I am sorry if i am wrong but i keep getting 6,4
Answer:
<h2>A. x ≤2 or x>6</h2>
Step-by-step explanation:
2x+6 ≤ 10 or 2x + 8 > 20
⇔ 2x ≤ 4 or 2x > 12
⇔ x ≤ 2 or x > 6
Answer:
x=7/4
Step-by-step explanation:
13x-17x+7=0
-4x+7=0
-4x+7-7=0-7
-4x=-7
-4x/-4=-7/-4
x=7/4
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