: a straight line that has been rotated around a point on another line to form an angle measured in a clockwise or counterclockwise direction — compare initial side.
What is the terminal side in math?
An angle is in standard position in the coordinate plane if its vertex is located at the origin and one ray is on the positive x-axis. The ray on the x-axis is called the initial side and the other ray is called the terminal side.
How do you find the terminal side of an angle in standard position?
The coordinate plane is divided into four regions, or quadrants. An angle can be located in the first, second, third and fourth quadrant, depending on which quadrant contains its terminal side. When the angle is between and , the angle is a second quadrant angle. Since is between and , it is a second quadrant angle.
What does Terminal side mean in trigonometry?
In trigonometry, angles are placed on coordinate axes. The vertex is always placed at the origin and one ray is always placed on the positive x-axis. This ray is called the initial side of the angle. The other ray is called the terminal side of the angle. This positioning of an angle is called standard position.
How do you know which quadrant a Radian is in?
π radians is approximately 3.14 radians. So, just approximating the constant π as 3.14 gives you the same kind of thing; a number of radians, as an angle measure. On the other hand, it's completely accurate to say that π radians =180∘.
Is Pi 3.14 or 180?
Quadrants & Quadrantal Angles Angles between 0∘ and 90∘ are in the first quadrant. Angles between 90∘ and 180∘ are in the second quadrant. Angles between 180∘ and 270∘ are in the third quadrant. Angles between 270∘ and 360∘ are in the fourth quadrant.
What quadrant is pi over 8 in?
Trigonometry Examples Since π8 is in the first quadrant, the reference angle is π8 .
What is the value of sin 10 PI by 3?
The exact value of sin(π3) sin ( π 3 ) is √32 .
What is pi 8 Coterminal?
The resulting angle of π8 π 8 is positive, less than 2π 2 π , and coterminal with 17π8 17 π 8 . Since π8 is in the first quadrant, the reference angle is π8 .
What is the degree measure of π 8 Radian?
Thus, we get 22.5 degrees as required.
What is the degree measure of 8?
Step-by-step explanation: 8 = 135.
What is the degree measure of C?
A triangle has 180 degrees, and this one has 3 equal angles because it has 3 equal sides, so 180/3 is 60 degrees! So C. 60 degrees is your answer!!
What is the symbol for pi?
π Succinctly, pi—which is written as the Greek letter for p, or π—is the ratio of the circumference of any circle to the diameter of that circle. Regardless of the circle's size, this ratio will always equal pi. In decimal form, the value of pi is approximately 3.14.