Question

 

 

Solution

Correct option is

– 3/2

 

 

   

   

     

Thus value of given expression is –3/2.

SIMILAR QUESTIONS

Q1

If tan (π cos θ) = cot (π sin θ) then cos (θ – π/4) is equal to

Q2

 

 

 

Q3

If sin A, cos A and tan A are in geometric progression, then cot6 A – cot2 is equal to

 

Q5

If the value of

        

Is equal to k2, then k is equal to

Q6

  is equal to

 

Q7

 of k is equal to

 

Q8

If A and B are acute positive angles satisfying the equation 3 sin2 A + 2 sin2B = 1 and 3 sin 2A – 2 sin2B = 0, then A + 2B is equal to

 

Q9

  equal to

Q10

 to