modulus

FIND MODULUS OF sin(x+iy)

9 Answers

1
SURYA RAMKUMAR ·

wow!!!!it depends on various cases!

CASE-I=> y=0..... modulus of 0≤sin(x+iy)≤1
CASE-II => y≠0......modulus is not defined......infact the function itself is not defined[3][3].....as dom(f(x,y))=R

1
Jagaran Chowdhury ·

i dont have the answer .one of my friends gave me this ques.

@ramkumar is the question really that stupid.

1
SURYA RAMKUMAR ·

NO QUESTION IS STUPID FRIEND.....infact many would have got it wrong in an exam hall simply writing the answer as[0,1]........so see it a thing i call
CLASSIC CONCEPT BUILDER QUESTION[1]

39
Dr.House ·

well ramkumar , the domain is so only in case of real analysis ,

sin (x+iy) is defined in case of functions of a complex variable

abd @jagaran ,

its out of all the syllabus of all enterances.. so no need to go into details of these

1
SURYA RAMKUMAR ·

well b555
as far as wat i know sin function is basically MEANT FOR AN ANGLE......and an angle is something which has REAL SIGNIFIANCE........not imaginary LOL!!!!.......so for our purpose what i wrote is in post #2

39
Pritish Chakraborty ·

I found this -:

"For any real x and y, sin(x+iy)=sin(x)cosh(y)+i.cos(x)sinh(y)"

Source : http://thesaurus.maths.org/mmkb/entry.html?action=entryById&id=2436

@ramkumar - Don't underestimate b555...maanta hun bondu hai woh magar maths ka baap hai :P

sinh and cosh btw are hyperbolic sine and hyperbolic cosine functions respectively.

So modulus would become I guess = √sin²xcosh²y + cos²xsinh²y

1
SURYA RAMKUMAR ·

hey pritish see wat i wrote for our purpose.......i mean for our purpose........most of times he tlks of things useless for our purpose.....

39
Pritish Chakraborty ·

Yaar who's the he??
If its b555 he did say its out of entrance syllabus...lol mujhe nahi pata main thermo padhne jaa raha hun..achchi tarah se ladh lena :P

1
SURYA RAMKUMAR ·

hey man u always think of fights [5][4]

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