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Name: need solution for rd sharma maths class 12 chapter inverse trigonometric functions exercise 3.2 question 3
Uploaded: Fri, 2021-07-23 11:30
Description: need solution for rd sharma maths class 12 chapter inverse trigonometric functions exercise 3.2 question 3

#CBSE 12 Class
#Inverse Trigonometric Functions
#R.D. Sharma
#School
#Maths
#RD Sharma Vol. 1 Class 12

#1.3
#3.1
#3.2
#3.3
#3.4
#3.5
#3.6
#3.7
#3.8
#3.9
#3.11
#3.12
#9.12
#3.10
#Fill in the blanks
#Very Short Answer type
#Multiple Choice Questions (MCQs)
#18.1
#3.14
#3.13

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need solution for rd sharma maths class 12 chapter inverse trigonometric functions exercise 3.2 question 3

Answers (1)

Answer: [-1, 1]

Hint: Domain of $\cos ^{-1}x$ lies in the interval [-1, 1]

Given: $f(x)=\cos ^{-1}x+\cos x$

Solution:

Domain of (x) lies in the interval [-1, 1].

Domain of $\cos x$ is R as $\cos x$ is defined for all real values.

Hence,N

Domain of $\cos ^{-1}x+\cos x$ will be the intersection of both the functions,R ∩ [-1, 1]=[-1,1]

Posted by

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need solution for rd sharma maths class 12 chapter inverse trigonometric functions exercise 3.2 question 3

Answers (1)

Posted by

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