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CBSE Class 11-science Answered

show that :   tan3x.tan2x.tanx = tan3x-tan2x-tanx
Asked by aniket.vyas002 | 06 Jul, 2016, 04:53: PM
answered-by-expert Expert Answer
begin mathsize 14px style Consider comma 3 straight x minus 2 straight x equals straight x space Applying space tan space on space both space sides comma space tan left parenthesis 3 straight x minus 2 straight x right parenthesis space equals tan space straight x space rightwards double arrow fraction numerator left parenthesis tan space 3 straight x minus space tan space 2 straight x right parenthesis over denominator left parenthesis 1 plus tan space 2 straight x space tan space 3 straight x right parenthesis end fraction equals tan space straight x rightwards double arrow tan space 3 straight x minus tan space 2 straight x space equals tanx space plus space tanx space tan space 2 straight x space tan space 3 straight x space rightwards double arrow tan space 3 straight x minus tan space 2 straight x space minus tan space straight x equals tan space straight x space tan space 2 straight x space tan space 3 straight x rightwards double arrow tan space 3 straight x space tan space 2 straight x space tan space straight x space equals space tan space 3 straight x space minus space tan space 2 straight x space minus space tan space straight x space space space space space..... left parenthesis proved right parenthesis end style
Answered by Rashmi Khot | 07 Jul, 2016, 09:34: AM

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CBSE 11-science - Maths
Sin(x)/√2+cos(x)/√2=√3/2
Asked by 069.pks | 16 Sep, 2023, 10:06: AM
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CBSE 11-science - Maths
Please solve 41 st question
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Asked by sinchanaandavan | 02 Jan, 2022, 12:17: PM
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CBSE 11-science - Maths
if tan(pie/4+teta)+tan(pie/4-teta)=3
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Asked by Madhavipamarthi1977 | 16 Sep, 2020, 08:18: PM
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CBSE 11-science - Maths
A+B=360° tanA+tanB/1-tanA tanB
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Asked by ManjuShaharraiya | 15 Sep, 2020, 09:57: PM
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CBSE 11-science - Maths
pls clear the doubt, dear sir/ madam
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Asked by sachitshanchinal | 02 Sep, 2020, 02:53: PM
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CBSE 11-science - Maths
If A+B+C=π then prove that  Cos^A+Cos^B+Cos^C=1-2CosA.CosB.CosC
Asked by vikassuradkar2015 | 08 Dec, 2019, 11:11: PM
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CBSE 11-science - Maths
.
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Asked by Krishna62 | 07 Sep, 2019, 06:50: PM
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CBSE 11-science - Maths
plzz explain how to solve it with the solution
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Asked by ABHILASHA | 07 Sep, 2019, 03:14: PM
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CBSE 11-science - Maths
Pls answer the attached questions ASAP
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Asked by hunte2931 | 17 Jun, 2019, 04:49: PM
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CBSE 11-science - Maths
Pls solve it.
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Asked by pb_ckt | 12 Jun, 2019, 02:36: PM
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