Mathematics, 24.06.2021 15:30 mikewalton566

(cos2A−cos2B)²+(sin2A+sin2B)²=4sin² (A+B)

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(cos2A−cos2B)²+(sin2A+sin2B)²=4sin² (A+B)​

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(cos2A−cos2B)²+(sin2A+sin2B)²=4sin² (A+B)