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The FIRB system involves sowing wheat on raised beds with furrows for irrigation, resulting in significant savings of water, seeds, and nutrients while maintaining or even increasing yield compared to traditional methods.
sin2 17˚ + sin2 19˚ + sin2 21˚ + sin2 23˚ + ……… + sin2 77˚ = ?
If 2ycosθ = x sinθ and 2xsecθ – ycosecθ = 3, then x 2 + 4y 2 = ?
If 0 ≤ θ ≤ 90°, and sin(2 θ +50°) = cos (4 θ + 16°), then what is the value of θ (in degrees)?
The minimum value of 12 sin θ + 5 cosθ is
If (sinx + siny) = a and (cosx + cosy) = b, then find the value of (sinx siny + cosx cosy).
[A] (a²+b²-2)/ 2
[B] (a2-b2<...
If cot2A = tan(A+6˚ ) , find the value of A? Given that 2A and A+6˚ are acute angles.
If Sinθ + Cosθ =√2 Cos(90 -θ ), then find the value of Cotθ ?
...If sec2 θ = 4, then find the value of sin2 θ + cosec (90 - θ) where 0o < θ < 90o.
...If α means +, β means -, ɣ means x, θ means ÷ then 30 θ 10ɣ 5α 10β20 is