Easy Determinants??

Algebra Level 5

The value of

cos(θ+ϕ)sin(θ+ϕ)cos2ϕsinθcosθsinϕcosθsinθλcosϕ\huge{\left| \begin{matrix} cos(\theta +\phi ) & -sin(\theta +\phi ) & cos2\phi \\ sin\theta & cos\theta & sin\phi \\ -cos\theta & sin\theta & \lambda cos\phi \end{matrix} \right| }

isis

Do likelike and shareshare

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