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If A(theta)=[s inthetai costhetai costhe...

If `A(theta)=[s inthetai costhetai costhetas intheta]` , then which of the following is not true? `A(theta)^(-1)=A(pi-theta)` `A(theta)+A(pi+theta)` is a null matrix `A(theta)^(-1)` is invertible for all `theta in R` `A(theta)^(-1)=A(-theta)`

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