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Initial number of persons = x 22x + (30 x 8) = 12(x + 30) 22x - 12x = 360 - 240 10x = 120 x = 12
If cos(2θ) = 1 - 2sin²(θ) and tan(θ) + cot(θ) = k, find the value of k when sin(θ) = 3/5.
If tanθ = x then find the value of cos 2θ?
If cot8A = tan(A+8˚), find the value of A? Given that 8A and A+8 are acute angles.
If cos²α + cos²β = 2, then the value of tan⁴α + sin⁸β is
if 7 sin 2 x + 2 cos 2 x = 4 then find tan x
If 4cos2x - 3 = 0, and (0° > x > 90°), then find the value of 'x'.