What is the formula of 1-cos = 2Sin ^ 2 (x / 2)?
1-cos x = 2 sin² (x/2)
Half angle formula:
sin (x/2) = √[(1-cos x)/2]
RELATED INFORMATIONS
- 1. F '(SiNx) = cos ^ 2 (x), the calculation of F (x) needs detailed process, This is the exercise there
- 2. When x →∞, limx / SiNx = ∞
- 3. If cos (x + π 4) = 45, X ∈ (− π 4, 0), then SiNx=______ .
- 4. Sin & # 178; X =? Cos & # 178; =? Theorem formula
- 5. What are the formulas of Sin & # 178; α = (1-cos (2 α)) / 2 and Sin & # 178; α = (1-sin (2 α)) / 2
- 6. The formula Sin & # 178; π / 2 = cos & # 178; π / 2=
- 7. Is there a similar formula for 1 / cos & # 178; X = sec & # 178; X?
- 8. McLaughlin formula of (e ^ x-1) / X expansion
- 9. The McLaurin series of F (x) = x · cos (x ^ 2 / 2) is mainly used to find the n-th derivative of F (x)
- 10. The derivation of Maclaurin formula F (x) = ln (1 + x)
- 11. What is the meaning of E = MC2
- 12. Einstein's E = MC2
- 13. What is the specific explanation of Einstein e = MC2?
- 14. Einstein's formula e = MC2, the energy of matter is equal to the mass times the square of the speed of light?
- 15. The meaning of E = MC2
- 16. How to understand the unit conversion in E = MC2?
- 17. Explain that E = MC2 When we see Einstein's mass energy formula e = MC2, can we explain its derivation process and application in a more understandable language? How can we deduce that an object cannot move faster than the speed of light? M = M0 / root sign [1 - (V / C) ^ 2] (M0 is the static mass of the object, V is the moving speed of the object, C is the speed of light, M is the moving mass of the object) how do you get it?
- 18. Why is e = MC2 like this?
- 19. What is the detailed derivation process of Einstein's mass energy equation?
- 20. How did Einstein calculate the mass energy equation E = MC2?