if tanθ1,tanθ2,tanθ3,tanθ4 are roots of equation
x^4-x^3sin2β +x^2cos2β-xcosβ-sinβ=0 prove that tan(θ1+θ2+θ3+θ4)=cotβ

Question

if tanθ1,tanθ2,tanθ3,tanθ4 are roots of equation 
x^4-x^3sin2β +x^2cos2β-xcosβ-sinβ=0 prove that tan(θ1+θ2+θ3+θ4)=cotβ

anonymous · Answer

u know the formula of tan(@1, @2, @3.......@n)= ?

samigupta8 · Answer

tan(θ1+θ2+.......tanθn)=s1-s3+s5+......sn/1-s2+s4-.......+sn

anonymous · Answer

calm down dear....um still onlyn!! and just put the values in s1, s2 , s3, s4 in the formula

samigupta8 · Answer

bt dat's wht i don't know what r the values of s1,s2,s3 and s4 here

anonymous · Answer

coeff of x^3= -(sum of roots taken one at time)
            x^2= +(                            two at a time)
            x    =  - (                           3 at a time )
             const= +(product(i.e. four at a time))

samigupta8 · Answer

yeh kya sum of roots of biquadatic equation nikal rhe ho aur phir product of roots e/a

anonymous · Answer

yeh jo likha h woh ek factorizable polynomial ke liye standard h

samigupta8 · Answer

accha theek h usse toh aa gaya mera ans abbb

samigupta8 · Answer

aur aap yeh btao ki aap ko mere msgs receive ho rhe h ya nahin

anonymous · Answer

pehle wale 4 to hue the...

samigupta8 · Answer

accha

anonymous · Answer

try karunga reply karne ki..

samigupta8 · Answer

aap try toh abhi dusri ques kr do filhaal msg ka toh sau din laga dena aaram se