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teine
New Member

USA
2 Posts

Posted - 06/18/2011 : 06:16:20

a.Determine simple expression A^2?
b.Conjecture the form of a simple expression for A^k,k a positive integer.
c. Prove or disprove your conjecture in part b.

(cos(2

)sin(2

)) (cos

sin

)
(-sin[2theta] cos(2

)) (-sin

cos

)

Ultraglide
Advanced Member

Canada
278 Posts

Posted - 06/19/2011 : 17:23:15

Are these elements of a matrix? If they are, I am sure your book shows you how to square a matrix. Show the result and we can go from ther.

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