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Ex 3.2, 2 - Chapter 3 Class 12 Matrices - Part 4

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Ex 3.2, 2 Compute the following: (iv) [ 8(cos2 x&sin2 [email protected] x&cos2 x)] + [ 8(sin2 x&cos2 [email protected] x&sin2 x)] [ 8(cos2 x&sin2 [email protected] x&cos2 x)] + [ 8(sin2 x&cos2 [email protected] x&sin2 x)] = [ 8(cos2 x+sin2 x&sin2 x+cos2 [email protected] x+cos2 x&cos2 x+sin2 x)] = [ 8(1&[email protected]&1)]

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