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# and .

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## Question

### Solution

Correct option is

Consider , multiply both side by ‘2’. We get:

And similarly

Now adding at (i), (ii) and (iii) to get :

.

#### SIMILAR QUESTIONS

Q1

The general solution of the trigonometrical equation

is given by

Q2

The general solution of equation

Q3

The solution set of  in the interval

Q4

If , then the values of  form a series in

Q5

then the value of x other than zero, lying between  is

Q6

The maximum value of  in the interval  is attained when x =

Q7

The general solution of the equation

is given by

Q9
Q10