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If Cosθ=Cosα, prove that the general solution is given by θ=2nπ+α, where n is an integer
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If Cosθ=Cosα, prove that the general solution is given by θ=2nπ+α, where n is an integer
0:09:20
If Cosθ=Cosα, prove that the general solution is given by θ=2nπ+α, where n is an integer
0:09:20
If Cosθ=Cosα, prove that the general solution is given by θ=2nπ+α, where n is an integer
0:03:24
if cosα/cosβ=m, cosα/cosβ=n. show that (m2+n2)cos^2β=n^2
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if tanθ= (sinα - cosα)/(sinα + cosα) then proof that sinα + cosα = ± √2 cosθ
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[ If cosα+cosβ=0=sinα+sinβ, then prove that cos 2 α+cos 2 β=-2 cos (α+β) .; ......
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If cosα/cosβ=m and cosα/sinβ=n, show that (m^2+n^2) cos ^2β=n^2.
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If tanθ=sinα-cosα/sinα+cosα, then show that sinα+cosα=√(2)cosθ. [Hint: Express tanθ=tan(α-π/4) ......
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Evaluate determinant |(cosα cosβ, cosα sinβ, -sinα),(-sinβ, cosβ, 0),(sinα cosβ, sinα sinβ, cosα)|...
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Prove that cos ^-14/5+cos ^-112/13=cos ^-133/65 Let θ=cos ^-14/5, α=cos ^-112/13 cosθ=4/5, co......
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Prove that the general solution,if tanθ = tanα, then θ=nπ+α, n∈Z
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Prove that the general solution,if tanθ = tanα, then θ=nπ+α, n is an integer
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