Mathematics, 14.01.2020 08:31 dntestkly4581

Verify the identity
cos^2x-sin^2x=1-2sin^2x

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Verify the identity
cos^2x-sin^2x=1-2sin^2x...

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Verify the identity cos^2x-sin^2x=1-2sin^2x

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Another question on Mathematics

Verify the identity
cos^2x-sin^2x=1-2sin^2x