Question

  

 

Solution

Correct option is

a2 + b2

We have

    

                       

                       

                          

    

                       

                       

Substituting these values in the given expression, we get

           

   

                            

SIMILAR QUESTIONS

Q1

Given θ Ïµ (0,π/4) and t1 = (tan θ)tanθ t2 = (tan θ)cotθt3 = (cot θ)tanθand t4 = (cot θ)cotθ then

Q2

If x = sin αy = sin βz = sin (α + β) then cos (α + β) =

Q3

The radius of the circle

 

Q4

If tan x + tan (x + π/3) + tan (x + 2π/3) = 3, then

Q5

The equation cos 2x + a sin x = 2a – 7 possesses a solution if

Q6

sin 470 + sin 610 – sin 110 – sin 250 is equal to

Q7

 

 

Q8

If 3π/4 < α < π, then  is equal to

Q9
Q10

The expression