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The correct answer is B
If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
If secθ + tanθ = 3+√10, then the value of sinθ+cosθ is
The angles of elevation of the top of a flagpole from two points A and B on level ground are 30° and 60° respectively. The points A and B are on the s...
If x = r sin A cos B, y = r sin A sin B and z = r cos A, then find x² + y² + z².
If sin 2A = cos (3A - 60o) , then find the value of sec 2A.
If tan 3.5θ x tan 6.5θ = 1 then the value of tan 5θ is
If √3cosec 2x = 2, then the value of x:
