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CBSE Class 12-science Answered

evaluate: Integration cosx/1 + cos x dx explain in great detail
Asked by haroonrashidgkp | 22 Sep, 2018, 04:18: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight I equals integral fraction numerator cosx over denominator 1 plus cosx end fraction dx straight I equals integral fraction numerator cosx left parenthesis 1 minus cosx right parenthesis over denominator left parenthesis 1 plus cosx right parenthesis left parenthesis 1 minus cosx right parenthesis end fraction dx straight I equals integral fraction numerator cosx minus cos squared straight x over denominator 1 minus cos squared straight x end fraction dx straight I equals integral fraction numerator cosx minus cos squared straight x over denominator sin squared straight x end fraction dx straight I equals integral open parentheses cotxcosecx minus cot squared straight x close parentheses dx straight I equals integral open parentheses cotxcosecx minus open square brackets cosec squared straight x minus 1 close square brackets close parentheses dx straight I equals negative cosecx minus left parenthesis negative cotx right parenthesis plus straight x plus straight c straight I equals negative cosecx plus cotx plus straight x plus straight c end style
Answered by Sneha shidid | 25 Sep, 2018, 10:25: AM

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CBSE 12-science - Maths
four distinct point (2k,3k),(1,0),(0,1) and (0,0) lies on a circle for k equal to
Asked by vs.super.king999 | 28 Apr, 2024, 09:37: AM
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CBSE 12-science - Maths
find the quadratic equations whose roots are 3 and -2
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Asked by leelasri11663 | 25 Apr, 2024, 11:34: AM
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CBSE 12-science - Maths
what is the general solution of the differential equation dy/DX = e2x + x
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Asked by aishaazmata | 24 Apr, 2024, 08:48: PM
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CBSE 12-science - Maths
(5x)³^cos2x^
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Asked by revengesena | 24 Apr, 2024, 06:08: PM
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CBSE 12-science - Maths
And
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Asked by mt1799363 | 23 Apr, 2024, 12:35: PM
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CBSE 12-science - Maths
Example 17 Solve the following system of equations by matrix method. 3x-2y+3z =8 2x+y-z=1 4x-3y+2z = 4
Asked by mahammadsharifdakhani67 | 16 Apr, 2024, 07:43: PM
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CBSE 12-science - Maths
Please Answer this case study..!!.
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Asked by 20muskaansharma23 | 08 Apr, 2024, 11:31: AM
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CBSE 12-science - Maths
question 13
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Asked by klmn445 | 03 Apr, 2024, 11:33: PM
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CBSE 12-science - Maths
300000/1368
Asked by cherrycharishma512 | 01 Apr, 2024, 12:32: PM
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CBSE 12-science - Maths
The probability that a pen manufactured by a company will be defective is 0.1. If 12 such pens are selected find the probability that i) exactly 2 will be detective ii) at least 2.will be defective iii)none will he defective
Asked by annapoornaa429 | 31 Mar, 2024, 08:23: PM
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