In fig. 10.37, find tan P and cot R. Is tan P=cot R ?
A field channel has a Cultivable Command Area of 2000 hectares. The intensity of irrigation of gram and wheat are 30% and 50% respectively. Gram has kor period of 18 days, kor depth 12 cm while, wheat has 18 days and 15 cm, The discharge required in the field channel to supply water to the command area during kor period is _____ m3/s