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2
  • 1 answers

Sunny Nigam 8 years, 3 months ago

Real no. As well as Complex no. 2+or-0jori
  • 1 answers

Mohd Ahsan Raza Khan 8 years, 3 months ago

If we multiply cosxcosx =cos²x. Sinxsinx = sin²x now, we sub. Cos²x-sin²x = cos2x and it is a formula. If we take only in cos then, cos 2x = cos²x -1+cos²x = 2cos²x-1
  • 5 answers

Sunny Nigam 8 years, 3 months ago

sin 30 or (Π/6), sin 30°(By theta table) =1/2 or

Anubhav Kaushik 8 years, 3 months ago

1/2

Anurag Pandey 8 years, 3 months ago

1/2

Aryushi Jha 8 years, 3 months ago

1/2

Devendran Devendran 8 years, 3 months ago

0.5
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  • 1 answers

Jatin Sharma 8 years, 3 months ago

X:X Belongs to N, N=2n
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Zainam Algaz 8 years, 3 months ago

2 vowels can be chosen in 5C25C2 ways 2 consonants can be chosen in 21C221C2 ways 4 letters can be arranged in 4! ways ∴∴ The number of words consisting of 2 vowels and 2 consonants ⇒5C2×21C2×4!⇒5C2×21C2×4! ⇒5×41×2×21×201×2⇒5×41×2×21×201×2×24×24 ⇒10×210×24⇒10×210×24 ⇒50400
  • 1 answers

Anubhav Kaushik 8 years, 3 months ago

A permutation is a arrangements in a definite order of a number of objects taken some or all at a time
  • 1 answers

Rohit Lodhi 8 years, 3 months ago

15
  • 2 answers

Anubhav Kaushik 8 years, 3 months ago

Sin theta

Ravi Papnai 8 years, 3 months ago

Sin theta÷2
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Ravi Papnai 8 years, 3 months ago

Let z=x+iy X+iy-1=x+iy+3i and (y=imaginary number along with iota and x=constant number I.e 3,4 etc) TanA=y÷x ,tanA=y÷x TanA=y÷x-1 and TanA=y+3÷x (Comparing both sides) Y÷x-1= y+3÷x ( cross multiplication after we get ) 3x-3-y=0 3(x-1)=y X-1÷y=1÷3 (X-1):y=1:3
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Anubhav Kaushik 8 years, 3 months ago

Cost of 7 notebook =259/7=64.74and the cost of 1 notebook =64.74/7
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Vikas Kuntal 8 years, 3 months ago

Lenght of arc = perimeter of circle* angle/360 16.5= 2*227*30*angle/360 Angle =31.5
  • 3 answers

Shivaditya Pandey 8 years, 3 months ago

3

Anubhav Kaushik 8 years, 3 months ago

3

Vidhi Jain 8 years, 3 months ago

3
4+5
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Himani Dhami 8 years, 3 months ago

4+5=9

Prince Makwana 8 years, 3 months ago

9

Shivam Chaudhary 8 years, 3 months ago

90
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2+2
  • 1 answers

Rupesh Singh 8 years, 3 months ago

4
  • 1 answers

Prince Makwana 8 years, 3 months ago

Do 100/100 you will surely get answer
  • 2 answers

Himani Dhami 8 years, 3 months ago

A*A={(-1,-1),(-1,1),(1,-1),(1,1)} A*A*A={(-1,-1,-1),(-1,-1,1),(-1,1,-1),(-1,1,1),(1,-1,-1)(1,-1,1),(1,1,-1),(1,1,1)}

Prince Makwana 8 years, 3 months ago

{-1,1,1},{-1,-1,1},{-1,-1,-1},{-1,1,-1},{1,1,1},{1,1,-1},{1,-1,1},{1,-1,-1}
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