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If AB = 0, then for the matrices A=[(cos2θ,cosθsinθ),(cosθsinθ,sin2θ)] and B=[(cos2Φ,cosΦsinΦ),(cosΦsinΦ,sin2Φ)], θ-Φ is

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If AB = 0, then for the matrices

A=[(cos2θ,cosθsinθ),(cosθsinθ,sin2θ)] and B=[(cos2Φ,cosΦsinΦ),(cosΦsinΦ,sin2Φ)], θ-Φ is

(a) an odd number of π/2

(b) an odd multiple of π 

(c) an even multiple of π/2 

(d) 0

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1 Answer

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Best answer

Correct option(a)

Explanation:

We have,

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