Inverse Trigonometric Functions - Online Test

Q1. The relation is valid for
Answer : Option C
Explaination / Solution:

The relation is true for all real values of x greater than or equal to 1.

Q2. If, then x =
Answer : Option A
Explaination / Solution:

Because ,  , 
Q3. is equal to
Answer : Option A
Explaination / Solution:




Q4. The number of solutions of the equation is
Answer : Option D
Explaination / Solution:

hence there is only one solution


Q5.

Domain of f(x) = 


Answer : Option A
Explaination / Solution:

(1,1)
Q6.

The number of solutions of the equation 


Answer : Option C
Explaination / Solution:

As no value of x in ( 0, 1) can satisfy the given equation.Thus, the given equation has only one solution.

Q7. tan114+tan129=
Answer : Option D
Explaination / Solution:



Q8. cos(cos1(725))=
Answer : Option D
Explaination / Solution:



Q9. 4tan1(15)tan1(1239)=
Answer : Option C
Explaination / Solution:





Q10. The solution of the equation is given by
Answer : Option A
Explaination / Solution:

x= -1/2 does not satisfy the given equation.