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Name: Please solve RD Sharma class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 49 maths textbook solution
Uploaded: Sat, 2021-08-07 08:18
Description: Please solve RD Sharma class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 49 maths textbook solution

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

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#Fill in the blanks
#Very Short Answer type
#Multiple Choice Questions (MCQs)
#18.1
#3.14
#3.13

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Please solve RD Sharma class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 49 maths textbook solution

Answers (1)

Answer: 0

Given: $\cos \left(\sin ^{-1} x+\cos ^{-1} x\right),|x| \leq 1$

Hint: $|x| \leq 1, x \in[-1,1]$

Solution:

$\begin {array}{ll} |x| \leq 1\\\\ \pm x \leq 1\\\\ x \leq 1 \ \ or \ \ x \geq-1\\\\ x \in[-1,1] \end {array}$

Now,

$\begin {array}{ll}\cos \left(\sin ^{-1} x+\cos ^{-1} x\right)=\cos \left(\frac{\pi}{2}\right) \\\\ =0\ \end {array}$

Posted by

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Please solve RD Sharma class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 49 maths textbook solution

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