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anonymous
 4 years ago
how to find value of sin 18.......plz explain in detail
anonymous
 4 years ago
how to find value of sin 18.......plz explain in detail

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0without the use of the calculator?

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0taylor expansion can estimate it for you

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i did not get what u want to say

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sauravshakya u may try

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0Taylor Expansion is the way of estimating and function sinx is \[x\frac{ x ^{3} }{ 6 }+\frac{ x ^{5} }{ 120 } ...+...\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.05*18=90 sin(5*18)=sin90 Let x=18 then, sin(5x)=sin90

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i think u r wrog somewhere

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0U can proceed from here but this will be too long but it will give u exact value.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0we dont have a formula for sin 5 thete

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0From sin(5x)=1 u need to find the value of sinx

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i mean to say we dont have its expansion

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sin(5x) = sin(2x + 3x) = sin2x * cos3x + cos2x * sin3x

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0hmmmmm that wd be 22 long

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.05x= 90 2x+3x=90 3x=902x sin 3x= cos 2x now put formula of sin 3x and cos 2x in terms of sin x only.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0hmmmmmm this wd b an easy one

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.018=Pi/10 sin(Pi/10)=0.3090169944 F[x]\[=x\frac{ x ^{3} }{ 6 }+\frac{ x ^{5} }{ 120 }... \] f[Pi/10]==0.3090170542 you decide

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0but when we will solve the quadrtic equation then we will get two values of sin theta

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0because that gives exact value not approximate

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0hmmmmm but two values

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0well, sin 18 lies in first quadrant so take positive value

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0u'll get a cubic equation, with one root = 0 (can't be, rejected) and 2 other roots.....from which u select one with positive value..... like saura said...

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0i failed 2 use common sence

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0no not a cubic but a quadratic u try it

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.03sinx4 sin cube x<cubic

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0no but sin 2 x is also there

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0then we can take sin in common

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0r u there on facebook

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sorry for the personal Q

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1353245978780:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0we can contact there also

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0saura i will tell u wait

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.04 x^3  2 x^2  3x + 1 = 0 one root is x=1 which can't be.... i made a typo earlier and wrote that one root is 0

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0sin 2 theta = cos 3 theta.................sin (90theta)=costheta
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