How to solve the parameter equation of ellipse with focus on Y axis?
The solution is the same as that on the x-axis, except that y is written in front of the equation, and other properties are the same as those on the x-axis
RELATED INFORMATIONS
- 1. Seeking extremum of univariate parameter equation How to get the maximum value of Z = (COS q) ^ 2 - 4 (sin q) ^ 2 + 2 is 3 and the minimum value is - 2?
- 2. It is known that the center of the ellipse is at the origin and the focus is on the x-axis. Through its right focus F 2, make a straight line L with an inclination angle of, intersect the ellipse at M and n. The sum of the distances between M and N and the right guide line of the ellipse is, and the distance between its left focus F 1 and the straight line L is
- 3. In the rectangular coordinate plane, the angle between the line between the point P (4.1) and the origin O and the positive half axis of the x-axis is α
- 4. It is known that in the semicircle AOB, ad = DC, ∠ cab = 30 °, AC = 2 times root sign 3, finding the length of AD, etc For help, add 447341718 to the picture,
- 5. As shown in the figure, in the semicircle AOB, ad = DC, ∠ cab = 30 °, AC = 23, the length of ad is calculated
- 6. It is known that AB in semicircle o is the diameter ad = DC ∠ cab = 30 ° AC = 3 root sign 3, and the length of ad is calculated Don't use sin to solve the problem that we didn't learn
- 7. AB is the diameter of semicircle o, C is the point on semicircle o which is different from a and B, CD ⊥ AB, perpendicular foot is D, ad = 2, CB = 4 * radical 3, then CD = -? The root number can't be typed = =, by the way, how to type the root number--
- 8. As shown in the figure, in △ ABC, ab = AC, the semicircle o with AC as the diameter intersects AB and BC at points D and e respectively. (1) prove that point E is the midpoint of BC; (2) if ∠ cod = 80 °, calculate the degree of ∠ bed
- 9. As shown in the figure: in △ ABC, the semicircle o with ab as the diameter intersects AC BC at the point de. prove that the triangle ode is an equilateral triangle
- 10. As shown in the figure, in the triangle ABC, AB is equal to AC, and the semicircle o with AC as the diameter intersects AB and BC at points D and e respectively 2. If the angle cod = 80 degrees, find the degree of the angle bed
- 11. What is the elliptic parametric equation with focus on the y-axis? y^2/a^2-x^2/b^2=1 (a>b>0) Two people have different answers. Who do I listen to?
- 12. Elliptic parametric equation with focus on Y-axis?
- 13. On the number axis, all integers whose distance to the origin is not more than 2 have______ (drawing)
- 14. The number of integer points whose distance from the number axis to the origin is less than 2 is x, the number of integer points whose distance is not more than 2 is y, and the number of integer points whose distance is equal to 2 is Z. find the value of X + y + Z
- 15. 26. On the number axis, the number of integer points whose distance from the origin is less than 2 is x, and the number of integer points whose distance from the origin is not more than 2 is y
- 16. On the number axis, the number of integer points whose distance from the origin is less than 2 is x, and the number of integer points whose distance from the origin is not more than 2 is y, then the sum of X and y
- 17. In the plane rectangular coordinate system, write out the coordinates of the following points: (1) point a is on the negative half axis of the axis, and the distance from the origin is 5 units (2) Point B is on the positive half axis of the axis and is three units away from the origin (3) Point C is in the second quadrant, and its distances to the x-axis and y-axis are 3 units and 4 units respectively
- 18. In the plane rectangular coordinate system, if the distance from point a (3, b) to the origin is 5, then the value of B is______ .
- 19. How to find the distance from the midpoint to the origin in the plane rectangular coordinate system
- 20. If the point Q (8.6) is known, the distance from it to the x-axis is - ---, the distance from it to the y-axis is - ---, and the distance from it to the origin is - ---