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The series follows the pattern: 115+23 = 138 138 +25 = 163 163+27 = 190 190 +29 = 219 219+31 = 250
What is the value of cos [(180 – θ)/2] cos [(180 – 9θ)/2] + sin [(180 – 3θ)/2] sin [(180 – 13θ)/2]?
If cot2A = tan(A+6˚ ) , find the value of A? Given that 2A and A+6˚ are acute angles.
What is the value of 4/3 (sin ² 65 º + sin ² 25 º ).
If sin(x + y) = 1 and sin(x - y) = (1/2), then what is the value of sinx cosx + 2sin2y + cos2y?
If sin A = 3/5 and cos B = 4/5, where A and B are acute angles, find the value of sin(A + B).
Determined the simplified value of the given expression:(1 - sin2 q) X (sec q + tan q) X (sec q - tan q) X cosec2 q
If 7sin² ϕ + 3cos² ϕ= 4, then find the value of ϕ ?
The angle of depression of vertex of a regular hexagon lying in a horizontal plane, form the top of a tower of height 135 m located at the centre of the...
Sec A -Tan A = 1/16 then find the value of cot A =?
If 4sin² θ = 3(1+ cos θ), 0° < θ < 90°, then what is the value of (2tan θ + 4sinθ - secθ)?
