Решите прошу, все примеры!!!!!

1. sin135=sin(90+45)=cos45=√2/2 2. cos210=cos(180+30)=-cos30= -√3/2 3. sin300=sin(270+30)= -cos30= -√3/2 4. sin240=sin(180+60)=-sin60= -√3/2 5. tg315=tg(360-45)=-tg45= -1 6. sin(-120)=-sin120= -sin(180-60)= -sin60= -√3/2 7. cos(-150)=cos150=cos(180-30)= -cos30=  -√3/2 8. cos(2π/3)=cos(π - π/3)= -cos(π/3)=  -1/2 9. tg(5π/6)=tg(π - π/6)= -tg(π/6)= -1/√3 10. sinπ=0 11. cos3.5π=cos(4π - π/2)=cos(π/2)=0 12. tg(5π/4)=tg(π+π/4)=tg(π/4)=1 13. cos(5π/3)=cos(2π - π/3)=cos(π/3)=1/2 14. sin(10π/3)=sin(3π + π/3)= -sin(π/3)= -√3/2 15. cos(-960)=cos960=cos(2*360+180+60)=cos(180+60)=       =-cos60= -1/2 16. tg750=tg(2*360+30)=tg30=1/√3 17. ctg1110=ctg(3*360+30)=ctg30=√3 18. sin(-13π/3)=-sin(13π/3)=-sin(4π+π/3)=-sin(π/3)=-√3/2 19. ctg(-13π/6)=-ctg(13π/6)=-ctg(2π+π/6)=-ctg(π/6)=-√3 20. cos(-29π/4)=cos(29π/4)=cos(7π+π/4)=-cos(π/4)=-√2/2