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# NCERT Solutions class 12 Maths Exercise 2.2

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NCERT solutions for Class 12 Ch- 2 Maths

## NCERT Solutions class 12 Maths Chapter 2 Inverse Trigonometric Function

### Prove the following:

1.

Ans. We know that:

Putting

Putting ,

Proved.

### 2.

Ans. We know that:

Putting

Putting ,

Proved.

Ans. L.H.S. =

=

=

=

=

= R.H.S.

Proved.

Ans. L.H.S. = =

=

=

=

=

= R.H.S.

Proved.

### Write the following functions in the simplest form:

5.

Ans. Putting so that

=

=

=

=

=

=

=

### 6.

Ans. Putting so that

=

=

=

=

=

=

Ans.

=

= =

### 8.

Ans.

Dividing the numerator and denominator by

=

=

=

=

### 9.

Ans. Putting so that

=

=

=

=

=

### 10.

Ans.

= [Dividing numerator and denominator by ]

Putting so that

=

=

= =

11.

Ans.

=

=

=

=

= =

Ans. =

Ans. Putting and

=

=

=

=

= =

Ans. Given:

Ans. Given:

16.

Ans.

=

=

= =

Ans.

=

=

=

= =

### 18.

Ans. Putting and so that and

Now, =

And and

=

= =

= =

### 19. is equal to:

(A)

(B)

(C)

(D)

Ans.

=

=

Therefore, option (B) is correct.

### 20. is equal to:

(A)

(B)

(C)

(D) 1

Ans.

=

=

=

=

Therefore, option (D) is correct.

NCERT Solutions class 12 Maths Exercise 2.2

### 21. is equal to:

(A)

(B)

(C)

(D)

Ans.

=

=

=

=

=

=

Therefore, option (B) is correct.

## NCERT Solutions class 12 Maths Exercise 2.2

NCERT Solutions Class 12 Maths PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 12 Maths includes text book solutions from both part 1 and part 2. NCERT Solutions for CBSE Class 12 Maths have total 13 chapters. 12 Maths NCERT Solutions in PDF for free Download on our website. Ncert Maths class 12 solutions PDF and Maths ncert class 12 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide

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