NCERT Class 12-Mathematics: Chapter – 2 Inverse Trigonometric Function Part 7 (For CBSE, ICSE, IAS, NET, NRA 2022)

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Question 35:

The value of is

(A)

(B)

(C)

(D)

Answer:

(B) Is the correct answer.

Let .

Now tion 36:

If then value of is

(A)

(B)

(C)

(D)

Answer:

(A) Is the correct answer. Given that

Therefore,

Question 37:

The value of is

(A)

(B)

(C)

(D)

Answer:

(A) Is the correct answer.

Question 38:

The value of the expression is

(A)

(B)

(C)

(D)

Answer:

(D) Is the correct answer.

Question 39:

The equation has

(A) No solution

(B) Unique solution

(D) Two solutions

Answer:

(B) Is the correct answer.

We have

Adding them, we get

Question 40:

If then

(A)

(B)

(C)

(D)

Answer:

(B) Is the correct answer. We have