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Name: Need solution for RD Sharma maths class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 59 math
Uploaded: Sat, 2021-08-07 16:10
Description: Need solution for RD Sharma maths class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 59 math

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

#1.3
#3.1
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#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 3 Inverse Trigonometric Functions exercise Very short answer question 59 math

Answers (1)

Answer: $\frac{\pi}{6}$

Given:

$\cos ^{-1}\left(\cos ^{-1} \frac{3 \pi}{6}\right)$

Hint: To solve $\cos$ function we can get the solution.

Solution:

$\begin{aligned} \cos ^{-1}\left(\cos \frac{13 \pi}{6}\right) &=\cos ^{-1}\left[\cos \left(2 \pi+\frac{\pi}{6}\right)\right] \\ &=\cos ^{-1}\left(\cos \left(\frac{\pi}{6}\right)\right) \\ &=\frac{\pi}{6} \end{aligned}$

Posted by

infoexpert22

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Need solution for RD Sharma maths class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 59 math

Answers (1)

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