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Question

 is equal to

Solution

Correct option is

 

  

  

From (i) and (ii), 

   

                                                                                                 

                 

                 

        

  

Now, consider

      

                                                                        

By using (i) and (ii), 

                                                              

  

SIMILAR QUESTIONS

Q1

 

ABC is a triangle such that

         

If AB and C are in A.P. then the value of AB and C are

Q2

 (x is measured in radian). Then ‘x’ lies in the internal.

Q3

The number of point of intersection of the two curves y = 2 sin x and 

Q4

The number of all possible triplets  such that  for all x is :

Q5

The equation  possesses a solution if :

Q6

 

 then  

 

Q7

 

In interval , the equation  has

 

Q9

 

The value of  is where xo denotes the degrees :