# NCERT solution class 11 chapter 3 Trigonometric Functions exercise 3.4 mathematics

## EXERCISE 3.4

#### Question 1:

Find the principal and general solutions of the equation   Therefore, the principal solutions are x = and . Therefore, the general solution is #### Question 2:

Find the principal and general solutions of the equation   Therefore, the principal solutions are x = and . Therefore, the general solution is , where n ∈ Z

#### Question 3:

Find the principal and general solutions of the equation   Therefore, the principal solutions are x = and . Therefore, the general solution is #### Question 4:

Find the general solution of cosec x = –2

cosec x = –2 Therefore, the principal solutions are x = . Therefore, the general solution is #### Question 5:

Find the general solution of the equation   #### Question 6:

Find the general solution of the equation    #### Question 7:

Find the general solution of the equation   Therefore, the general solution is .

#### Question 8:

Find the general solution of the equation    Therefore, the general solution is .

#### Question 9:

Find the general solution of the equation    Therefore, the general solution is error: Content is protected !! 