Is the maximum value of function y = 2 + SiNx 2 right or wrong

wrong

RELATED INFORMATIONS

1. The maximum value of the function y = x-sinx on [π / 2, π]? Please indicate the reason,
2. What is the value of X, y = 1-2 / 3 SiNx take the maximum and minimum values? What are the maximum and minimum values
3. The maximum value of the function y = SiNx + 3cosx is () A. 1B. 2C. 3D. 2
4. As shown in the figure, what is the area of the triangle with a (0,3), B (1,0) and C (2,2) as vertices
5. As shown in the figure, triangle ABC is divided into triangle BDE and quadrilateral ACDE by line segment de. question: what is the area of triangle BDE that is the area of quadrilateral ACDE?
6. Two line segments divide the triangle into three triangles and a quadrilateral. As shown in the figure, if the areas of the three triangles are 3, 7 and 7 respectively, the shadow area is?
7. The area of a quadrilateral is 50 square decimeters, and the shadow part is a triangle. What is the area of the triangle? The area of a parallelogram is 50 square decimeters. The shadow is a triangle. What is the area of the triangle?
8. As shown in the figure, the top and bottom of a ladder are 3.6 decimeters long. If you add a triangle with a bottom of 6.4 decimeters and an area of 6.4 square decimeters, it will become a parallelogram. What is the area of this trapezoid?
9. As shown in the figure, the upper bottom of trapezoidal aebd is 1.4 decimeters, the lower bottom is 3.2 decimeters, and the area of triangle Abe is 1.54 square decimeters
10. If the area of the triangle formed by the first-order function y = x + B and the coordinate axis is 8, the analytic expression of the first-order function is______ ．
11. F (x) = the minimum positive period under the root sign (the square of SiNx to the fourth power of SiNx)
12. Given the function f (x) = - SiNx + SiNx + A, the square above that SiNx, if f (x) = O has a real number solution to find the range of a, if x belongs to R 1 (less than or equal to FX) less than or equal to ten fourths Help solve it
13. Y = (SiNx) ^ 3 derivation
14. Y = x (SiNx) (conx) derivation
15. Y = SiNx (1 + 2cosx ^ 2) maximum, minimum
16. Integral (cosx) ^ 2 / (SiNx) ^ 2
17. Integral of (SiNx) ^ 2 (cosx) ^ 2
18. Syndrome: I = ∫ (0, √ (2 Π)) SiNx & #178; DX > 0
19. 2 ∫ sinx/1+x²dx=（） -2
20. Calculate ∫ upper π lower 0 √ (1-sinx) DX steps!