
Yefim S. answered 11/26/21
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sin2A/(1 + cos2A) = 2sinAcosA/(2cos2A) = sinA/cosA = tanA
Ifeoma R.
asked 11/26/21Yefim S. answered 11/26/21
Math Tutor with Experience
sin2A/(1 + cos2A) = 2sinAcosA/(2cos2A) = sinA/cosA = tanA
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