4Trig Ch01 P01 SinCosTan Sign
الدوال المثلثية Sin Cos Tan Sec Cosec (csc) Cot
d 60 Year and 3 Weeks and 2 Days and 53 Minute
4Trig Ch02 P01 Sin Law
قانون الجيب Sin Law
d 9 Months and 2 Weeks and 6 Days and 11 Hour and 42 Minute
4Trig Ch02 P02 Cos Law
قانون جيب التمام Cos Law
d 9 Months and 2 Weeks and 6 Days and 11 Hour and 27 Minute
