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If e^(itheta)=costheta+isintheta, find t...

If `e^(itheta)=costheta+isintheta,` find the value of `|[1,e^(ipi//3),e^(ipi//4)],[e^(-ipi//3),1,e^(i2pi//3)],[e^(-ipi//4),e^(-i2pi//3),1]|`

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CENGAGE PUBLICATION-DETERMINANTS-All Questions
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