Explanation: The Eight Core Industries index includes industries like Cement, Coal, Crude Oil, Electricity, Natural Gas, along with Fertilizers, Refinery Products, and Steel.
If Sinθ + Cosθ =√2 Cos(90 -θ ), then find the value of Cotθ ?
...If sin(x + y) = 3/5 and cos(x - y) = 12/13, where x, y ∈ [0, π/2], find sin(2x) + sin(2y).
A point P is 15 meters away from the base of a building. The angle of elevation to the top of the building is 60°, while the angle of elevation to the ...
If 7sin² ϕ + 3cos² ϕ= 4, then find the value of ϕ ?
If cot2A = tan(A+6˚ ) , find the value of A? Given that 2A and A+6˚ are acute angles.
If 2cosθ + 8sin2θ = 11, where 0o < θ < 90o, then find the value of cot θ.
If sin(x + y) = 1 and sin(x - y) = (1/2), then what is the value of sinx cosx + 2sin2y + cos2y?
If tan A = 
, find the va...
