#Simple Algebra

14 messages · Page 1 of 1 (latest)

modest gustBOT Mar 26, 2023, 11:36 PM

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digital oasis Mar 26, 2023, 11:36 PM

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This:

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Becomes this:

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Via common denominator right?

summer sage Mar 26, 2023, 11:38 PM

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looks correct

digital oasis Mar 26, 2023, 11:39 PM

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The common denominator would just be (1 - cosx) × (1 + cosx) right?

summer sage Mar 26, 2023, 11:40 PM

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you can simplify further though

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-1/(1+cosx)

digital oasis Mar 26, 2023, 11:41 PM

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Yes

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Also, is 1-cos(x)^2 a difference of squares?

summer sage Mar 26, 2023, 11:41 PM

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yes

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but you shouldn't expand it

digital oasis Mar 26, 2023, 11:41 PM

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Yes

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Ty so much!