CBSE > Class 12 > Mathematics | CBSE Board | Homework Help

dy/dx = d {log(sin x)} /dx = cosx / sinx = cot x [As diff. of log t = 1/t and diff. of sinx = cos x, that's why, by chain rule d{log(sinx)} /dx = cotx ]

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Nishu Sahu 6 years, 1 month ago

Cotx

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any channel for 12 maths i want see lectures of integration and derivatives

Posted by Baljot Sidhu 6 years, 1 month ago

CBSE > Class 12 > Mathematics

2 answers

Aadi Ahluwalia 6 years, 1 month ago

Khan academy

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Kalpana Jha 6 years, 1 month ago

Cbseclassvideos

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Evaluate sin^-1(sin2)

Posted by Udit Mehra 6 years, 1 month ago

CBSE > Class 12 > Mathematics

2 answers

Tanishq Shukla 6 years, 1 month ago

No its answer cant be 2 since it doesn't lie in the range of sin-1x

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Priyanshu Kapoor 5 years, 6 months ago

2 Since, sin^-1(sin x)=x

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Transportarion problems in lpp hati he ya nahi

Posted by Garvit Jain 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Tanishq Shukla 6 years, 1 month ago

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cos2x-cos2x/cosx-cosx integrate it??

Posted by Lavish Chauhan 6 years, 1 month ago

CBSE > Class 12 > Mathematics

2 answers

Gourav Chauhan 6 years, 1 month ago

Bhai kaha rahta hai tu

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Tanishq Shukla 6 years, 1 month ago

Cos2x-cos2x/cosx- cosx Cos2x- 2cos^2x +1/cosx- cosx Cos2x -2cos^2x/cosx +1/cosx -cos x Cos2x -2cosx +secx -cosx Cos2x -3cosx +secx Sin2x/2 -3sinx + log (secx +tanx) Note: answers may be different in integration due to the different applied methods

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what is the wheiteg of maths syllabus

Posted by Tejas 6 years, 1 month ago

CBSE > Class 12 > Mathematics

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Find the value of k for which f(x) = √1+kx -√ 1-kx /x where -1≤x<1 or 2x +1 / x-1 where 0≤x<15/@@

Posted by Noreen Noreen 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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AD,BE,andCF be the median od triangle ABC prove AD+BE+CF=0

Posted by Deepali Sinha 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Find correlation coefficient between two variable if two regression coefficients are 1.36 and 0.8

Posted by Rübînã Sháhī 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Send me blueprint of class 12 paper

Posted by Ajay Saini 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If ylogx= (x- y) then prove that dy/ dx= logx/(1+ logx)^2.

Posted by Aniket Gupta 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Differentiate y =x^1/x by logarithms

Posted by Anjali Vats 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Tell me any Reference Book ?!!

Posted by Aakash Gautam 6 years, 1 month ago

CBSE > Class 12 > Mathematics

2 answers

Kiran??? Gautam 6 years, 1 month ago

Arihant the best

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Pragati Saini 6 years, 1 month ago

Arihant

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Integrate e^tan-1x/(1-x^2)^2

Posted by Jyoti Bhauryal 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Tan-1(1-tanx÷1+tan x

Posted by Prince Ahlawat 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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Show that the relation R in the set R of real numbers defined as R={(a,b):a<=b^2} is neither reflexive nor transitive.

Posted by Juhaina A 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Integration of tan-1√x

Posted by Miss Mor 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

Hello guys how much of ur syllabus finished n wt u guys do for objective types questions....

Posted by Arunima Devi 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Khuskaran Sidhu 6 years, 1 month ago

Clear ur basics,only simple objective type questions will be asked in exam

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Determinat of tough question

Posted by Shivam Sharma 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Miss Mor 6 years, 1 month ago

2-4 operations lgake easy krlo thoda sa and then seedha determinant krdo.you'll get marks.

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sin(xy) +cos(xy)=1 and tan(xy) not equal to 0 then prove dy/dx= -y/x

Posted by Rashmita Soren 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Sarthak Srivastav 5 years, 5 months ago

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Xto the power y +y to the power x =1

Posted by Manish Rajora 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

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In ch AOI can there be 3 parabola

Posted by Lakshay Chopra 6 years, 1 month ago

CBSE > Class 12 > Mathematics

0 answers

ANSWER

If theetta is the angle between any two vectors then modulus of dot product of vector a and vector b is equal to modulus of cross product of vector a and vector b. Then find theetta

Posted by Soumya Harikumar 6 years, 1 month ago

CBSE > Class 12 > Mathematics

1 answers

Nishu Sahu 6 years, 1 month ago

may be theta =45

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1/tan a +cot a.dx

Posted by Nagma Praveen 6 years, 1 month ago

CBSE > Class 12 > Mathematics

3 answers

Miss Mor 6 years, 1 month ago

Ye tanx+ cotx agar complete denominator me h to int.1/tanx+1/tanx.dx Now taking LCM of tanx. Int.tanx/tan^2x+1dx Int.tan/sec^2x.dx Put tanx=t Dx=sec^2x.dt Int.t/sec^2x..sec^2x.dt=int.t.dt =t^2/2+c =tan^2x/2+c

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Topper Jha 6 years, 1 month ago

1/2 sin^2a +C

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Khuskaran Sidhu 6 years, 1 month ago

1/(tan a + 1/tan a) .dx = tan a/tan^2 a +1 .dx =tan a/sec ^2 a.dx =sin a.cos a dx Further solve it by integration by parts

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7.4 ka 11no.q

Posted by Rupesh Rathore 6 years, 1 month ago

CBSE > Class 12 > Mathematics