1.

If cosθ+2cosϕ+3cosΨ=sinθ+2sinϕ+3Ψ=0, then sin3θ+8sin3ϕ+27sin3ψ=

Answer»

If cosθ+2cosϕ+3cosΨ=sinθ+2sinϕ+3Ψ=0, then sin3θ+8sin3ϕ+27sin3ψ=




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