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FCP2 Complex numbers
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Htx_x346
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For questions like the following, how do you know whether to work it out using the binomial expansion method or using results like z+1/z = 2 cos theta? Thanks.![Name: C.PNG
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Quarsient
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(Original post by Htx_x346)
For questions like the following, how do you know whether to work it out using the binomial expansion method or using results like z+1/z = 2 cos theta? Thanks.![Name: C.PNG
Views: 13
Size: 25.6 KB]()
For questions like the following, how do you know whether to work it out using the binomial expansion method or using results like z+1/z = 2 cos theta? Thanks.
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Htx_x346
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(Original post by Quarsient)
For ones in that form {sin(ntheta)=...} you use the regular binomial expansion method and when you have a trig function with a power you use the z+(1/z)
For ones in that form {sin(ntheta)=...} you use the regular binomial expansion method and when you have a trig function with a power you use the z+(1/z)
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