الدوال المثلثية Sin Cos Tan Sec Cosec (csc) Cot
d 60 Year and 3 Weeks and 2 Days and Hour and 8 Minutesقانون الجيب Sin Law
d 9 Months and 2 Weeks and 6 Days and 11 Hour and 57 Minuteقانون جيب التمام Cos Law
d 9 Months and 2 Weeks and 6 Days and 11 Hour and 42 Minute