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if x+1/x=2costheta then show that x^n+1/x^n =2cosntheta || CBCS,Maths(Hons) B.Sc 1st sem
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if x+1/x=2costheta then show that x^n+1/x^n =2cosntheta || CBCS,Maths(Hons) B.Sc 1st sem
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L-9, Q7 If x +1/x = 2 cos θ , T.P (i) xⁿ +1/xⁿ = 2cos nθ (ii) xⁿ − 1/xⁿ = ±2 ι sin nθ...
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If `x+1/x=2costheta` then `x^3+1/x^3` is
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If x+1/x=2 cos〖θ,〗 then x is equal to
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How To Find Powers of Complex Number By De-Moivre's Theorem (Part-II)
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If `(x+1/x)=2cos(pi/10)` ,then `x^5+1/(x^5)=?`
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If `x+1/x = 2cos theta`, then `x^3 + 1/x^3` is equal to
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SAQ Video 1 || 16) If x+iy = 1/ 1+cos theta+i sin theta then, show that 4x²-1=0
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if 2costheta=x+1/x , 2cos fai=y+1/y,2cossai=z+1/z then 2cos(theta+fai+sai)=xyz+1/xyz
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If `2costheta=x+1/x`, then `2cos2theta=`?
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If x + 1/x = 2cosθ, then x^3 + 1/x^3 = ?
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If `x+1/x=2 cos theta`, then the value of `x^n+1/x^n`
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If \( 2 \cos \theta=x+\frac{1}{x} \) and \( 2 \cos \varphi=y+\frac{...
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If x+1/x =2 cos theta, then (x^(3) + (1)/(x^(3)))is equal to- | 12 | MCQ's | MATHS | CHHAYA PUB...
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12th maths exercise 2.8 question 4/if 2cos=x+1/x and 2cos=y+1/y show that x/y+y/x=2cos....
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If x+1/x =2cosθ Find x. #shorts#mathematics#susmitasharmaclasses#cosθ
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`x+1/x=2cosalpha` then `x^n+1/x^n=`
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If m=(cosθ-sinθ) and n=(cosθ+sinθ)then show that√(m/n)+√(n/m)=2/√(1-tan^2 θ)CLASS-10 TRIGONOMETRY...
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If `2 costheta = x +1/x` and `2cosphi=y+1/y`, then
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If x + 1/x = 2 cos theta, y + 1/y = 2 cos phi prove prov that xy + 1/(xy) = 2 cos(theta + phi)
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If secA - tanA = x then Prove that (1 + x²)/(1 - x²) = cosecA
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`2costheta=x+1/x`and `2cos phi=y+1/y` then (A)` x^n+1/(x^n)= 2 cos(n theta) n in Z` (B) `x/y+y/...
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If x+iy= 3/2 + cos thita+ i sin thita' then show that x² + y² = 4x - 3.
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If 2cos@= t prove that (1+cos7@)/1+cos@)=(t^3-t^2-2t+1)^2
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