NCERT 12 Maths Ch 5 Continuity & Differentiability Ex 5.3 hints & solutions (Implicit fn)

This video is about hints and solutions of exercise 5.3 of chapter 5 continuity and differentiability of NCERT class 12 maths as per the syllabus of CBSE 12 maths.
Questions are solved at following timing:
1 00:01
2 01:10
3 02:15
4 03:00
7 04:00
8 05:55
9 07:24
10 10:51
11 13:23
12 15:43
13 18:18
14 20:02
15 22:04
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[engmathclasseswithgms]

If we put x= cos theta then
Y = sin2 theta if -pi/2<eq 2theta < eq pi/2
Means -pi/4<eq theta < eq pi/4
-pi/4<eq arccosx < eq pi/4
Cos(-pi/4) < eq to x< eq to cospi/4
1/srt 2 <eq to x < eq to 1/ sqr2
Which doe not satisfy the interval.

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[thehawk]

Sir, at 16:58 we can use property cosØ = sin(π/2-Ø), same answer is coming with it.

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[deepakkumarmanjhi]

20:10 *sir we can not take cos@ due to properties of itf*

[ShanuKumar-bpub]

Sir why haven't u put cosa in question 14

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[mdkalimullahzakir]

Sor aapne to bataya hi nahi ke Q14 mein x = cos theta rakhne par jo ans aata hai wo sahi hai ya nahi

[balkrishnakumawat]

Question 12, at 17.22 ke baad, sin-1 ki value kese rkhi.. kya π/2 se cos2theta × nahi hoga?? Value kese rkhi

[shambhusingh]

Sir, why you don't put x=cosa in question no 14

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