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15 Jul 2022

Prove that Limit x tends to y cos²x - cos ²y / x² - y² = - sin2y/2y

 

Prove that Limit x tends to y cos²x - cos ²y / x² - y² = - sin2y/2y
Prove that Limit x tends to y cos²x - cos ²y / x² - y² = - sin2y/2y



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