ID: d4rxyhkt3n

A = mr 2 C = 2πτ Sin Cos tan 30° 45° 60° FINNS 1 2 2 2 √3 √2 2x 30° 2 x√3 NI-N √3 60° [sin xdx = =CDBX + C dx tgx +C CUS X fxgxdx=-Incosx dx sinx =Intg+C de dx arctg V = = πr-h 3 tan (8) 10 h 0fad V = πr²h ²+x+6=0