prove that the product of the matrices [ cos2θ cosθsinθ ] [cosθsinθ - Maths - Matrices

Question

prove that the product of the matrices
[ cos​2θ cosθsinθ ]
[cosθsinθ sin2θ ]
and
[ cos2α cosαsinα ]​
[cosαsin α sin2α ]
is zero when and differ by an odd multiples of pi/ 2

Priyanka Kedia · Accepted Answer

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prove that the product of the matrices [ cos​2θ cosθsinθ ] [cosθsinθ sin2θ ] and [ cos2α cosαsinα ]​ [cosαsin α sin2α ] is zero when and differ by an odd multiples of pi/ 2

prove that the product of the matrices
[ cos²θ cosθsinθ ]
[cosθsinθ sin²θ ]
and
[ cos²α cosαsinα ]
[cosαsin α sin²α ]
is zero when and differ by an odd multiples of pi/ 2