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  • 1 answers

Visha Joshi 5 years, 8 months ago

Tera ser
  • 0 answers
  • 2 answers

Rohin Jaswal 7 years, 4 months ago

tanx-tany/1+tanx.tany

Yogendra Sharma 7 years, 4 months ago

tanx-tany/1+tanx.tany
  • 5 answers

Sebin Love❤ 7 years, 4 months ago

10 sweety

Subhi Tiwari 7 years, 4 months ago

10

Sumit Kunwar 7 years, 4 months ago

10

Soni Kumari 7 years, 4 months ago

10

Me Souhardee❤️ 5 years, 8 months ago

Dear it's 10??????
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  • 1 answers

Nancy Rajput 7 years, 4 months ago

its AB^2+BC^2=AC^2
  • 4 answers

Aman Deep Singh Singh 7 years, 4 months ago

Please prove

Nancy Rajput 7 years, 4 months ago

=>cosA/a=b^2+c^2-a^2 /2bc --(1) => cosB/b=a^2+c^2-b^2/2ac-----(2) =>cosC/c=a^2+b^2-c^2 /2ab ----(3) => adding three equation you get a^2+b^2+c^2/2abc

Nancy Rajput 7 years, 4 months ago

its from external exercise

Govind Pandey 7 years, 4 months ago

Please prove that
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  • 0 answers
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  • 1 answers

Aditya Goswami 7 years, 4 months ago

If 2^3=8 then in terms of log it can be written as:- Log 4 on base 2 = 3
  • 2 answers

Lovely Dhawan 7 years, 4 months ago

Yesss

???. Pragati 7 years, 4 months ago

It is so easy bro just see the videos on YouTube How to Calculate Modulus and Argument of Complex Numbers - YouTube YouTube
  • 2 answers

Nishant Kaushik 7 years, 4 months ago

ATQ NCERT book,tan(A+B)=tanA+tanB÷1-tanA.tanB. Now we put B=A We get, tan(A+A)=tanA+tanA÷1-tanA.tanA Therefore, tan2A=2tanA÷1-tan^2A

D Sharath 7 years, 4 months ago

As you know tan (A+B) = (tanA+tanB)÷(1-tanAtanB) You get the formula
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  • 2 answers

Shivangi Vats 7 years, 4 months ago

Konse*

Shivangi Vats 7 years, 4 months ago

Voh toh teacher k uper depend krta h ki voh komse chapter krata h
  • 0 answers
  • 7 answers

Vimal Pathak 7 years, 4 months ago

10 ka exam deke kya pta lga which book is main

Mahesh Rd 7 years, 4 months ago

Rd is main

Ghanshyam Prajapati 7 years, 4 months ago

Yes, NCERT is very important for any subject

Pragati Pandey 7 years, 4 months ago

Yaa it is important to solve ncert first

Sakshi Jaiswal 7 years, 4 months ago

Yaa, its very important to solve ncert for all types of board nd competative exams

Gouri Sharma 7 years, 4 months ago

It is very important to solve ncert to keep our concepts clear.

Charu Vatsal 7 years, 4 months ago

Of course yes We should solve ncert first
  • 2 answers

Premanshu Shah ???? 7 years, 4 months ago

Right?????

Nikhel Malik 7 years, 4 months ago

by hand and mind
  • 4 answers

Kaira Choudhary 7 years, 4 months ago

Hlo

Somya Gupta 7 years, 4 months ago

1+cos 2A =2 cos^2A

Kaira Choudhary 7 years, 4 months ago

How r u

Kaira Choudhary 7 years, 4 months ago

Hlo nik

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