∫(3 sin t+sin^2t/1) dt

∫(3 sin t+sin^2 t 分之1) dt . ∫(3 sin t+sin^2t/1) dt ∫(3 sin t+sin^2 t 分之1) dt ∫(3 sin t+sin^2t/1) dt matlab中怎么对下面的程序进行二维插值并画出三维视图呢?[x,y]=meshgrid(-2:1:2);t=2;Z=[(sin(t))^3 t^2 sin(t) cos(t) (sin(t))^2;t^2 sin(t) (cos(t))^4 cos(t) (sin(t))^2;t sin(t) cos(t) t^2 (sin(t))^2;sin(t) (cos(t))^3 t^2 (sin(t))^2 ∫ t^2 * sin(t) dt 求不定积分 ：∫（3sin t +（1/sint^2 t)）dt 求不定积分 ：∫（3sin t +1/sint^2 t）dt ∫sin(t^2)dt 求微积分 ∫4/1-sin^2t 的不定积分 d/dt ∫ sin(t^2)dt (0到1), 求sin^2（3t+1）dt的不定积分 t*sin^3(t) dt.不定积分.求救! (sin t) / ( 1-cos t)= e^(-t)sin(t/2) 求导 matlab怎么画出三维曲线?t=(0:0.01:1)*pix=25*cos(t)y=(-60+25*sin(t))*(14.82-111*25*sin(t)+1250*sin(t)*sin(t)+1511.18*sin(t)-1511.18)/((50-50*sin(t))*sqrtm(900-61*25*sin(t)+625*sin(t)*sin(t)+1511.18sin(t)))-25sin(t)+sqrtm(1100)z=50-25*sqrtm((360 积分：（sin t）^2 dt＝∫（sin t）^2 dt＝ 求证sint+sin(t+2/3派)+sin(t+4/3派)=0