Find the period of this function y = 2 + cos3x
T=2pai/w
So t = 2pai / 3
This is the minimum positive period,
The period should be 2kpai / 3k, belonging to Z
RELATED INFORMATIONS
- 1. What is the period of the function y = cos3x?
- 2. Find the differential process of y = ln (cosx + LNX) more carefully and faster
- 3. Using the differential mean value theorem to prove that the equation X5 + X-1 = 0 has only one positive root?
- 4. The solution of inequality proof of differential mean value theorem How to prove | arctanx arctany|
- 5. Differential mean value theorem?
- 6. When x tends to 0, (1 + SiNx) ^ (1 / 3) - 1 is equivalent to
- 7. Y = 1 / x + 2 √ x, y = xsin2x, y = x (flat) Find the differential of the function y=1/x+2√x y=xsin2x Y = x (square) e (2x Square)
- 8. How to establish differential equation function in MATLAB How to establish differential equation function in MATLAB, such as: dy / DX = XY, (when x = 0, y = 1), in 0=
- 9. What is the monotone decreasing interval of the function y = e ^ xsinx in (- π. π)?
- 10. Given f (1 + SiNx) = 2 + SiNx + cos2x, find f (x) Let u = 1 + SiNx, then SiNx = U-1 (0 ≤ u ≤ 2), then f (U) = - U2 + 3U + 1 (0 ≤ u ≤ 2) So f (x) = - x2 + 3x + 1 (0 ≤ u ≤ 2) How does [f (U) = - U2 + 3U + 1] come from? Ask for advice!
- 11. Using differential to find the approximate value of 7.9 under the third root sign It's better to write it down on paper,
- 12. Differentiation of trigonometric functions How to find the differential of the fifth power of cosx?
- 13. Approximate value of ln0.99 by differential
- 14. Enter X and use the formula e ^ x = 1 + X + x ^ 2 / 2! + x ^ 3 / 3! + Find the approximate value of e ^ x until the absolute value of the last term is less than - 10 ^ - 6 Using VB (Microsoft Visual Studio 2005) as the software
- 15. The approximate value of E is based on the knowledge of higher numbers
- 16. Finding the second derivative y = f (arctan1 / x) If I find the first derivative y '= - 1 / (X & # + 1) * f' (arctan1 / x), the second derivative will not. How can I derive f '' (arctan1 / x)?
- 17. Finding the differential of y = e ^ sin3x
- 18. Find the differential of the following function, y = xlnx-x, y = x ^ 4 + 5x + 6 y=xlnx-x y=x^4+5x+6
- 19. Let z = y + φ (U), where φ (U) is differentiable, u = x ^ 2-y ^ 2, and prove Y &; Z / &; X + X &; Z / &; y = X
- 20. If we know that 2y-3 is proportional to 3x + 1, then the analytic expression of Y and X may be () A. y=3x+1B. y=32x+1C. y=32x+2D. y=3x+2