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Manan Bedi 7 years, 3 months ago

-cosecxcotx
  • 2 answers

Akash Rounit 7 years, 3 months ago

Sx dx

Navjot Kaur 7 years, 3 months ago

Please clear the value of variable.
  • 1 answers

Akshat Sharma 7 years, 3 months ago

Please answer
  • 1 answers

Shubham Kushwaha 7 years, 3 months ago

A'=-A
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  • 1 answers

Akshat Sharma 7 years, 3 months ago

Value of k is X - 2
  • 3 answers

Saksham Sachdeva 7 years, 3 months ago

Question is wrong Question should be 1-cosx=2sin^2(x/2)

Vaibhav Chaudhary 7 years, 3 months ago

Because cos 2x = 1-2sinx by property. Where angle =x/2 so cos 2x/2=1-2sinx/

Kumar Gaurav 7 years, 3 months ago

1-cosx 1-(1-2sin^2x/2)
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Vaibhav Chaudhary 7 years, 3 months ago

There is no short trick but it have only a single way to learn that is practice as much as you can by Rd sharma
  • 1 answers

Sajid Khan 7 years, 3 months ago

tanx ko sinx and cosx me change karo [cosx/cosx-sinx] milega fir arrange karo =1/2[(cosx-sinx)+(cosx+sinx)/(cosx-sinx) doosre ka square =1/2[1dx]+1/2[(cosx+sinx)^2/cos^2x-sin^2x]= x/2+1/2[1+sin2x/cos2x] =x/2+1/2[1/cos2x+sin2x/cos2x] =x/2+1/2[sec2x+tan2x] =x/2+1/4log(secx+tanx)+1/4log(secx)+c i hope understand you
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Anchal Singh 7 years, 3 months ago

0
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Aman Kaur 7 years, 3 months ago

1

Raj Kumar Singh 7 years, 3 months ago

1
  • 1 answers

Manoj Kumar Gupta 7 years, 3 months ago

1/2[2(1-3)+1(3-7)+10(7-1)] =1/2[-4-4+60] =52/2=26
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Thejaswini Chirnalli Mattad 7 years, 3 months ago

22marks 1m-1 ,2m-2, 3m-2,5m-1,&6m-1

Pooja Sharma 7 years, 3 months ago

20

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