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Uploaded by judybev on Feb 2, 2011
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why did u rewrite the sin squaroot of x into x^1/2 then change it again to squaroot of x?
Woobinization 1 week ago
how did 2(cos^2x-sin^2x) becomes 2cos2x any explanation?
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why did u rewrite the sin squaroot of x into x^1/2 then change it again to squaroot of x?
Woobinization 1 week ago
how did 2(cos^2x-sin^2x) becomes 2cos2x any explanation?
Woobinization 1 week ago