Let I = sinwt, then di / dt = dsinwt / dt = coswt * D (WT) / dt = wcoswt. What formula is used to get DWT / dt = w in the last step?

W is colonization, which can be directly put forward. That is d (WT) / dt = WDT / dt = W

RELATED INFORMATIONS

1. The relationship between sin α and cos α How to find cos α and Tan α when sin α = 4 / 5
2. The relationship between sin and COS
3. The relationship between sin and COS Evaluation: sin6 °× sin42 °× sin66 °× sin78 °
4. The relationship between COS and sin
5. What's the relationship between COS and sin in the same corner? It's better to say how to prove it Better be specific,
6. How is v = awcos (WT +?) derived from the expression of X in simple harmonic motion?
7. How to calculate the initial phase in simple harmonic motion? How to calculate the initial phase according to the image, we need to have the explanation of the unit circle, and we need to give examples The unit circle is mainly used to judge the positive and negative, the answer can not be too simple!
8. ∫1/(1+cos t)dt
9. The expression of definite integral f (x) = ∫ 0 to 1| x-t | DT
10. Let f (x) satisfy ∫ f (TX) DT (from 0 to 1) = f (x) + xsinx
11. Find the value of COS ^ 15 ° + sin ^ 15 °
12. cos^15°-sin^15°=
13. A detailed derivation of sin ^ 2 (WT + ∮) = (1 / 2) [1-cos ^ 2 (WT + ∮]
14. Solving indefinite integral ∫ [t * e ^ (- cost)] DT
15. Seeking indefinite integral: ∫ (e ^ (T ^ 2)) DT and ∫ (e ^ (- T ^ 2)) DT As shown in the figure, ∫ (e ^ (T ^ 2)) DT and ∫ (e ^ (- T ^ 2)) DT
16. How to find the indefinite integral e ^ (- T ^ 2) DT
17. Indefinite integral DT / 1 + √ t
18. Solving indefinite integral: ∫ DT / (t-1) ^ 2 solving process
19. Definite integral substitution method ∫ [2T / (1 + T)] DT =?
20. Finding the indefinite integral of (t-1) * ln (T) DT