7. Which integral should be used to find ✅ {sin 3t}? sin 3t dt a. b. St C. Šť e e -st sin 3t dt -st sin 3t dt d. e. e -st sin 3t dt -st sin 3t dt

Q: EX:what is L sin²t

A: First we have, sin2t=12×2sin2t       =121-cos2t Now L1=1s,Lcos2t=ss2+22=ss2+4 then we find Lsin2t

Q: 2a-x dx -1 Evaluate : x sin

A: We have to evaluate I=∫xsin-1122a-xadx

Q: Evaluate sin dx

A:

Q: sinr 1. Show that

A:

Q: Find Sor y. Sin X- xp X+1

A: