If the function y = sin (x + &) (0 ≤ & ≤ π) is an even function on R, then what is the number of
Because COS is an even function, we can get it by sin (x + pi / 2) = cos (PI)
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- 1. The function y = sin (x + β) (0 ≤ β ≤ π) is an even function on R. how to find the value of β?
- 2. If the function y = sin (x + Q) (0 ≤ Q ≤ PI) is even on R, what is the value of Q
- 3. If the function y = sin (x + a) is even, then the possible value of a is?
- 4. If the function y = sin (2x + φ) (0 is less than or equal to φ, less than or equal to π) is an even function on R, then= The function y = sin (2x + φ) is an even function on R, Then sin (- 2x + φ) = sin (2x + φ) The expansion is: sin φ cos2x cos φ sin2x = sin φ cos2x + cos φ sin2x So cos φ sin2x = 0. Cos φ = 0, φ = π / 2 "Ask," how is it expanded: sin φ cos2x cos φ sin2x = sin φ cos2x + cos φ sin2x "
- 5. It is known that the function f (x) = ax to the third power + 2x to the second power + bx-4 has a maximum value - 4 when x = - 1 (1) Find the analytic expression of y = f (x), and find the monotone interval (2) Solving inequality f '(x) > ax + A
- 6. It is known that f (x) is an odd function on R. when x is greater than or equal to 0, f (x) = 2 to the power of X + 2x + B, then f (- 1) is an important process
- 7. If f (x) = AX2 + BX + C is an even function in the interval [a, C], then the monotone increasing interval of F (x) is
- 8. Given that f (x) = AX2 + BX is an even function defined on [A-1, 2A], then the value of a + B is () A. −13B. 13C. −12D. 12
- 9. If f (x) is an increasing function in the interval [a, b], and the minimum value is 2, f (x) is an even function, then f (x) is the minimum value in the interval [- A, - b]=
- 10. If the even function f (x) is an increasing function in the interval [3,7], and the minimum value is 5, it is judged that f (x) is in the interval [- 7, - 3]
- 11. If f (x) = ax square plus bxjia 3A plus B is even function, and the domain of definition is (a-1,2a), then how much is a equal to? How much is B equal to?
- 12. If the function f (x) = x square + ax is even, then what is a equal to?
- 13. If the function f (x) = 2x minus ax plus 5 is even, then a is equal to?
- 14. If f (x) satisfies f (x) + 2F (1 / x) = 3x (x is not equal to 0), then f (x)=
- 15. It is known that when x = - 2, the value of the cubic power + BX + 3 of the polynomial ax is 0, then when x = - 2, the value of this algebraic expression is 0______ Quick good to points! It is known that when x = - 2, the value of polynomial a multiplied by the third power of X + BX + 3 is 0, then when x = - 2, the value of this algebraic expression is 0______ Quick good to points!
- 16. X = 2. Ax ^ 2 + bx-3 is 6. If x = 1, the algebraic formula (2aX ^ 3 + bx-5) ^ 3 is X
- 17. When x = - 2, the value of ax ^ 3 + bx-63 is 17. Find the algebraic formula - 2aX ^ 3-20-2bx when x = 2
- 18. X = 2, the fifth power of the polynomial ax + the cube of BX + cx-5 value = 9, x = - 2, the polynomial (A-4) of X, the cube of X - the B power of X + X-B is a binomial, a =, B=
- 19. The parabola y = 2x & # 178; + 8x + 3 has several common points with the X axis. The coordinates of the common points are
- 20. P: Is "1 - (x-1) / 3" = - 2 or 1 + m > = 10? Plus m > 0 in the stem, when I solve it, it's 0 What about the solution of x > 10