What quadrant is 21pi 4 lie in?
What quadrant is 21pi 4 lie in?
The angle is in the third quadrant.
What is the secant of 7pie 6?
-2/√3
What is Sec 7pi/6? Sec 7pi/6 is the value of secant trigonometric function for an angle equal to 7π/6. The value of sec 7pi/6 is -2/√3 or -1.1547 (approx).
How do you find the reference angle of 21pi 4?
Trigonometry Examples Find an angle that is positive, less than 2π , and coterminal with 21π4 21 π 4 . Subtract 2π 2 π from 21π4 21 π 4 . The resulting angle of 13π4 13 π 4 is positive, less than 2π 2 π , and coterminal with 21π4 21 π 4 .
What is the measure in degrees of the angle 21pi 5?
Thus, the measure of angle A in terms of degrees is 756°.
What is the secant of 4pi 3?
Trigonometric Function Values of Special Angles
| θ° | θradians | sec(θ) |
|---|---|---|
| 240° | 4π/3 | -2 |
| 270° | 3π/2 | 0 |
| 300° | 5π/3 | 2 |
| 315° | 7π/4 | √2 |
What is the exact value of 5pi 4?
Explanation: sec(5π4)=1cos(5π4) .
What is the measure in degrees of the angle θ 7π 6?
1 Answer. Júlio B. In degrees, 7π6 is 210° .
How do you solve 4pi 3?
To find the value of sin 4π/3 using the unit circle:
- Rotate ‘r’ anticlockwise to form 4pi/3 angle with the positive x-axis.
- The sin of 4pi/3 equals the y-coordinate(-0.866) of the point of intersection (-0.5, -0.866) of unit circle and r.
What is the reference angle for 4pi 3?
π/3
(h) The reference angle for 4π/3 is π/3.
How do you convert 5pi 4 to degrees?
ad=54π⋅180°π=225° .
What is the value of sin 5 pi by 4?
The value of sin 5pi/4 is -0.7071067. . .. Sin 5pi/4 radians in degrees is written as sin ((5π/4) × 180°/π), i.e., sin (225°). In this article, we will discuss the methods to find the value of sin 5pi/4 with examples.
