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Name: Need solution for RD Sharma maths class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 63 math
Uploaded: Sat, 2021-08-07 16:31
Description: Need solution for RD Sharma maths class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 63 math

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

#1.3
#3.1
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#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 63 math

Answers (1)

Answer: $\frac{3 \pi}{4}$

Given: $\cot ^{-1} 2\ \ and \ \ \cot ^{-1} 3$ , then third angle.

Hint: The sum of tree angles of a triangle is $\pi$

Solution:

$\begin{array}{l} \tan ^{-1} \frac{1}{3}+\tan ^{-1} \frac{1}{2}+\tan ^{-1} x=\pi \\\\ \tan ^{-1} \frac{\left(\frac{1}{3}+\frac{1}{2}\right)}{1-\frac{1}{6}}+\tan ^{-1} x=\pi \end{array}$

Posted by

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Need solution for RD Sharma maths class 12 chapter 3 Inverse Trigonometric Functions exercise Very short answer question 63 math

Answers (1)

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