The value of 0 (zero) is always 0, regardless of the value of the trigonometric function cos(0). In this case, if cos(0) is equal to 7/9, it simply means that the cosine of the angle 0 (in radians or degrees) is 7/9, but the value of the angle itself (0) remains zero.
In trigonometry, the cosine (cos) of an angle measures the ratio of the length of the adjacent side to the hypotenuse in a right triangle. When we have cos(0) = 7/9, it means that in a right triangle with an angle of 0 degrees (or 0 radians), the length of the adjacent side is 7, and the length of the hypotenuse is 9.
Using the Pythagorean theorem, we can find the length of the opposite side:
Taking the square root of both sides:
b = √32 = 4√2
So, in this triangle, the length of the opposite side is 4√2, and the cosine of the angle 0 is indeed 7/9.
For more questions on cosine :
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Answer:
38°
Explanation:
Solve for 0 in Degrees.
B. Accessory after the act
C. Principal in the second degree
D. Accessory before the act
Because they funded his expedition for finding a new route to India
It allows citizens to organize into groups for peaceful protests. It frees communities from crime. It helps citizens provide a defense against foreign invaders. It provides for every citizen to have a trial by jury.
It is C. It helps citizens provide a defense against foreign invaders.
Answer:
I'm pretty sure it's A. Many empires attack and capture Israel
Explanation:
Egypt, Syria, Lebanon and Iraq attacked Israel. And the war was the called the "1948 Arab-Israeli War"