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`(cos theta+i sin theta)^n = cos ntheta +i sin ntheta`
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If z = cos θ + i sin θ then z^n+1/z^n = 2 cos nθ and z^n -1/z^n = 2 i sin nθ || Complex Numbers
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`(cos theta+i sin theta)^n = cos ntheta +i sin ntheta`
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The value of 〖(sin〖θ+i cosθ 〗)〗^n is
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10. If z =cos θ + 𝒊 sin θ, Prove Zⁿ – 1/Zⁿ = 2 sin nθ 𝒊 . 💥🌻 Complex Number Z^n – 1/Z^n = 2 sin nθ i...
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10 - Expansion of Sin (nΘ) and Cos (nΘ) with Solved Examples
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If z=cos θ+ i sin θ, then find z^n+1/z^n
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#09 problem of complex number | prove that ((1+cosθ+i sinθ)/(1+cosθ-i sinθ))^n= cosnθ+i sin nθ...
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Trigonometry : - ( Trigonometric expansion ) - 126.
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MATH141 UKZN | Polar Curves Sketching | Cardoid | Limacon | Family of Roses | Quadrant | Inner Loop
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If n ,showthat(1+costhet+isintheta)^n+(1+costheta -isin theta)^n=2^(n+1)cos^n(theta/2)cos(ntheta/2)
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If m=costheta-sintheta and n=costheta+sintheta then show that rootmbyn+rootnbym=2byroot1+tan^2theta
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Expansion of sin n( theta) and cos n(theta) # Allied mathematics -1 # Trigonometry
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If m = cos theta - sin theta and n = cos theta + sin theta then find the value of sec2 theta
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if cos theta + sin theta =m, sec theta + cosec theta =n what is m / n
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Why Sin (90-theta) = Cos (theta)?
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If tanθ+sinθ=m and tanθ-sinθ=n,then show that m^2-n^2=4√mn CLASS-10 TRIGONOMETRY IMPORTANT PROBLEM...
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Prove that-(1+sin𝜃+ⅈ cos𝜃)/(1+sin𝜃−ⅈ cos𝜃 ))^𝑛=cos(𝑛𝜋/2−𝑛𝜃)+ⅈ sin(𝑛𝜋/2−𝑛𝜃)|Higher Trigonometry...
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Q1)If n sin theta = m cos theta Then prove that {(m sin theta - n cos theta) / (m sin theta +n cos t
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Sin theta/1+Cos theta + 1+Cos theta / Sin theta = 2 Cosec theta | Mathematics Class 10 | Identity
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using de Moivre's theorem to express sin nθ and cos nθ in terms of sinθ and cosθ ExamSolutions...
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If Tn = sin^n theta + cos^n theta then prove that T3-T5/T1 = T5-T7/T3. | Trigonometry class 10
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Expansion of sin ^(n) theta & cos ^(n) theta # Trigonometry # Allied mathematics -1
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Z transform of Cosn(theta) sinn(theta),k^n{cosn(theta) & sinn(theta)}& e^-a{cosn(theta)&...
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Find the value of `Sin n theta` and `cos n theta` as a sum of binomial Expansion
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