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Find the value of f(π/3) where f(θ) = |(cos^2 θ,cosθsinθ,-sinθ),(cosθsinθ,sin^2 θ,cosθ),(sinθ,-cosθ,0)|

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Find the value of f(π/3) where f(θ) = |(cos2 θ,cosθsinθ,-sinθ),(cosθsinθ,sin2 θ,cosθ),(sinθ,-cosθ,0)| 

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1 Answer

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by (48.8k points)

Taking cos2 θ common from R1, cosθ sinθ from R2 and sinθ from R3, then R2 → R1, 

R3 → R3 – R1 and expand 

f(θ) = 1 

f(π/3) = 1

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