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What is the cosine of a 60 degree angle?
60 degrees = 0.5 1/2
What is the cosine of a 30 degree angle?
As a decimal: 0.866 As a fraction: √(3)/2
What is the ratio of the cosine of an angle?
Fora right angle triangle: cosine angle = adjacent/hypotenuse
What ratio correctly describes the cosine function?
The cosine of theta is adjacent over hypotenuse, given a right triangle, theta not being the 90 degree angle, adjacent not being the hypotenuse, and theta being the angle between adjacent and hypotenuse. In a unit triangle, i.e. in a unit circle circumscribed with radius one, and theta and the center of the circle at the origin, cosine of theta is X.
How do you solve COS?
To solve for the cosine (COS) of an angle, you can use the unit circle, where the cosine of an angle corresponds to the x-coordinate of the point on the circle at that angle. Alternatively, you can use trigonometric identities or the cosine function on a scientific calculator by inputting the angle in degrees or radians. For specific problem solving, using the cosine rule in triangles may also be applicable to find unknown sides or angles.
What is the cosine of a 59 degree angle?
cosine(59 degrees) = 0.51504 (rounded)
What is the cosine of a 60 degree angle?
60 degrees = 0.5 1/2
What angle is Sine and cosine equal?
at a 45 degree angle, or pi/4
At what angle measure are the sin and the cosine equal?
45 degree
What is the cosine of a 50 degree angle?
cos(50) = 0.6428 (rounded)
What is the cosine of a 65 degree angle?
Cos(65 deg) = 0.4226 approx.
What is the cosine of a 30 degree angle?
As a decimal: 0.866 As a fraction: √(3)/2
How do you find the sec of a 38 degree angle?
Find the cosine of 38 degrees and then find its reciprocal.
What is the relevance of the number 1.414 to a 45 degree angle?
The number 1.414... (square root of 2) is two times the cosine or sine of a 45 degree angle. The reason for this is that for a 45 degree angle, the two sides are cosine and sine, they are equal, and if you solve using the Pythagorean theorem with a hypotenuse of 1, the two sides are each (21/2)/2.
What is the shrink constant for an angle of 15 degree?
The shrink constant, often referred to in the context of trigonometric functions, can be calculated using the cosine of the angle. For an angle of 15 degrees, the shrink constant is equal to the cosine of 15 degrees, which is approximately 0.9659. This means that an object or dimension shrinks to about 96.59% of its original size when projected at a 15-degree angle.
What is the ratio of the cosine of an angle?
Fora right angle triangle: cosine angle = adjacent/hypotenuse
What is the cosine function about?
The cosine function is mathematical equation to determine the adjacent angle of a triangle. The cosine of an angle is the ratio of the length of the hypotenuse: so called because it is the sine of the co-angle.
