4Trig Ch01 P01 SinCosTan Sign
الدوال المثلثية Sin Cos Tan Sec Cosec (csc) Cot
d 60 Year and Month and Week and Day and 9 Hours and 14 Minute
4Trig Ch02 P01 Sin Law
قانون الجيب Sin Law
d 10 Months and 5 Days and 20 Hour and 2 Minutes
4Trig Ch02 P02 Cos Law
قانون جيب التمام Cos Law
d 10 Months and 5 Days and 19 Hour and 48 Minute
