Question
Select the number from among the given options that can
replace the question mark (?) in the following series. 3, 20, 121, 604, 2417, ?ÂSolution
The correct answer is B
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The minimum value of 3 sin2 θ + 4 cos2 θ is
...If sin x + cos x = √2 sin x, then the value of sin x - cos x is:
If cot A = 12/5, then the value of (sin A + cos A) × sec A is ________.
- Determine the value of following trigonometric expression:
A man is standing at a point 20 meters away from a vertical tower. The angle of elevation from the point to the top of the tower is 60°. Find the heigh...
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...If 9 sinx + 40 cosx = 41 then find tanx.
If tanθ – cotθ = a and cosθ + sinθ = b, then (b2 –1)(a2 + 4) = ?