Trigonometric EquationHard

Question

If cos 2B = , then -

Options

A.tan A, tan B, tan C are in A. P.

B.tan A, tan B, tan C are in G. P.

C.tan A, tan B, tan C are in H.P.

D.None of these

Solution

⇒
⇒
⇒   tanA tanC = tan²B
    tanA, tanB, tanC are in G. P.

Create a free account to view solution

View Solution Free

Topic: Trigonometric Equation·Practice all Trigonometric Equation questions

More Trigonometric Equation Questions

A hyperbola, having the transverse axis of length 2 sinθ, is confocal with the ellipse 3x2 + 4y2 = 12. Then its equ...If cosθ + cos 7θ + cos 3θ + cos 5θ = 0, then θ =...If 0 [{x cos(cot-1x) + sin(cot-1x) + sin(cot-1x)}2 - 1]1/2 is equal to...The smallest positive root of the equation, tan x - x = 0 lies in...If P and Q are the points of intersection of the circles x2 + y2 + 3x + 7y + 2p - 5 = 0 and x2 + y2 + 2x + 2y - p2 = 0, ...