It is known that TaNx = - √ 2, π

RELATED INFORMATIONS

• 1. Find TaNx when sin (x / 2) - cos (x / 2) = 0
• 2. Given that TaNx = - radical 3, and X belongs to (0,2), then x is? A question to fill in the blanks
• 3. If f (x) = logax, (a > 0 and a ≠ 1) satisfies f (9) = 2, then f (3)=______ ．
• 4. Let f (x) = loga (1 + x) / (1-x) (a > 0, a ≠ 1) if loga (1 + x) / (1-x)
• 5. It is known that the two equations of x ^ 2 - [log2 (b) + loga (2)] x + loga (b) = 0 are - 1 and 2, and the values of real numbers a and B are obtained
• 6. It is known that two of the equations x ^ 2 - (log2 B + loga 2) x + loga B = 0 about X are - 1 and 2, and the values of real numbers a and B are obtained
• 7. If the equation loga (x-3) - loga (x + 2) - loga (x-1) = 1 has real roots, where a > 0, the range of a is obtained
• 8. The number of solutions of the equation loga (x + 1) + x = 2, (0 < a < 1) is process
• 9. On the equation x = loga (- x ^ 2 + 2x + a) of X, the number of solutions of (a > 0 and a not = 1) is A (0) B. 1 C 2 d change with a
• 10. Let loga (c) and logb (c) be two of the equations x ^ 2-3x + 1 = 0, and find the value of loga / b (c)
• 11. SiN x + cos x = 0.2 for TaNx
• 12. It is known that the image Q of quadratic function y = ax ^ 2 + BX + C has only one intersection point P with X axis, and the intersection point with y axis is B (0,4), and AC = B Find the analytic expression of the quadratic function Translate the image of a function y = - 3x properly to pass through point P. remember that the image is l, and the other intersection of image L and Q is C. please find a point D on the Y axis to make the perimeter of △ CDP shortest
• 13. It is known that the image of the quadratic function y = x2 + BX + C intersects with the y-axis at points a (0, - 6), and one of the intersection coordinates with the x-axis is B (- 2, 0). (1) find the relationship of the quadratic function and write out the vertex coordinates; (2) translate the image of the quadratic function to the left along the x-axis for 52 unit lengths, and find the corresponding functional relationship of the image
• 14. If the nonzero real number A.B.C is known to be an arithmetic sequence, then the number of intersections between the image and the x-axis of the quadratic function f (x) = ax ^ 2 + 2bx + C / 4
• 15. It is known that the vertex of the image of quadratic function is (- 3,1 / 2) and the image passes (2,11 / 2). Find the analytic expression of quadratic function and the intersection coordinates of image and Y axis Please write clearly the process
• 16. Given the intersection (2,0) of quadratic function image and X axis (- 1,0), and the intersection (0, - 1) of quadratic function image and Y axis
• 17. It is known that the quadratic function f (x) satisfies f (4-x) = f (x), the length of the line cut on the x-axis is 6, and the function image passes (3,8). The analytic expression of F (x) is obtained Modify "and function image (3, - 8),"
• 18. If y / x + X / y = 1, what is the derivative of Y
• 19. Y = (1 + x) (2-3x & # 178;) (3-4x & # 179;) find the derivative Y & # 180;
• 20. Derivative function of y = 2xsin (2x + 5)