F (SiNx) = cos2x, the maximum value of F (x)

RELATED INFORMATIONS

• 1. If f (x + π) = f (- x), and f (x) = f (- x), then f (x) may be? Sin2x or cosx or sin [x] or [SiNx]
• 2. (SiNx + cosx) / (SiNx cosx) = 3 find sin ^ 2 (x) + sinxcosx
• 3. Why sin2x = 2sinx * cosx?
• 4. Sin2x-2sinx + cosx-1 = 0, solution X
• 5. The solution of sin2x-2sinx + cosx-1 = 0
• 6. It is known that cosx = - radical 3 / 3 and 18O degree
• 7. Cosx = - √ 3 / 3, and 180 is less than x, less than 270 ° the process of calculating sin2x, cos2x, tan2x is required
• 8. Monotone increasing interval of function y = 2 ^ (- x + 3x-2)
• 9. Finding monotone increasing interval of - x-3x + 2 of function y = 2
• 10. What is the monotone decreasing interval of known function y = - x2 square + 4x-3
• 11. Find the maximum value of F (x) = (√ 3) SiNx + cos2x
• 12. If SiNx = 2cosx, then SiNx cosx / SiNx + cosx=_____
• 13. If f (SiNx) = 2-2cosx, then f (cosx) is equal to A、2-sin2x B、2+sin2x C、2-2cosx D、2+2cosx
• 14. Let f (x) = (SiNx) ^ 4-sinxcosx + (cosx) ^ 4, then the range of F (x) is
• 15. Given the function y = x2-4x-5, find the range when 1 x belongs to {- 10 1 2 3 4} and 2 x belongs to the range when [- 2 1]
• 16. The range of function y = - x ^ 2 + 4x + 1 is______ .
• 17. Find the function range: y = 2x-4x-2, X belongs to (- 1 / 2,2)
• 18. What is the range of the function y = negative x + 4x + 1, X ∈ (0,3)
• 19. It is known that SiNx + cosx = - 1 / 5 (135 °)
• 20. Finding f (cosx) by knowing f (SiNx) = sin3x RT