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Mathematics 7 Online
OpenStudy (anonymous):

Verify the trig identity: (sin^6x-cos^6x)/(sin^4x-cos^4x)=1-sin^2x cos^2x

OpenStudy (raden):

first, use the difference squares formula : a^2 - b^2 = (a+b)(a-b) |dw:1364801064042:dw|

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