Mathematics, 07.07.2019 04:10 chasechevy13
Cos3a-cosa/sin3a-sina+cos2a-cos4a/s in4a-sin2a=sina/cos2asin3a..prove that
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Cos3a-cosa/sin3a-sina+cos2a-cos4a/s in4a-sin2a=sina/cos2asin3a..prove that...
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