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Start learning 50% faster. Sign in nowSoil puddling creates a compacted, impermeable layer below the puddled zone which reduces percolation losses. Puddling also softens the soil and assists manual transplantation of rice seedling.
If tanθ – cotθ = a and cosθ + sinθ = b, then (b2 –1)(a2 + 4) = ?
If 3 tan X + cot X = 2√3, then find the value of 6 tan2 X + 2 cot2 X.
From a point 50 meters away from the base of a tower, the angle of elevation of the top of the tower is 30°. Find the height of the tower.
sin2 4˚ + sin2 6˚ + sin2 8˚ + sin2 10˚ + ……… + sin2 86˚ =?
If SecA + TanA = 2√2 + 9, then find the value of Sin A + Cos A.
If 7sin² ϕ + 3cos² ϕ= 4, then find the value of ϕ ?
If cosec (2A + B) = (2/√3) and cosec (A + B) = √2, then determine the value of (4A - B).