Question

Solution

Correct option is

SIMILAR QUESTIONS

Q1

If cos (θ – α), cos θ and cos (θ + α) are in harmonic progression, then cosθ sec (α/2) is equal to

Q2

If A and B are acute angles such that A + B and A – B satisfy the equation tan2 θ – 4 tan θ + 1 = 0, then find the value of A and B.

Q3

Find the possible integral values of a for which cos 2x + a sin x = 2a – 7 has solutions.

Q4

Simplify the product cos A cos 2A. cos22A…..cos2n-1A.

Q5

Find the maximum and minimum values of 

Q6

If cos 5θ = a cos θ + b cos3 θ + c cos5 θ + d, then

Q9

If tan α = 5/6 and tan β = 1/11, then 

Q10

If tan x tan y = a and x + y = π/6, then tan x and tan y satisfy the equation