Mathematics, 13.04.2021 23:40, iliketurtures

Prove that : (1-tanA) (cosA÷cos2A) = 1÷cosA+sinA

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Prove that : (1-tanA) (cosA÷cos2A) = 1÷cosA+sinA​

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Prove that : (1-tanA) (cosA÷cos2A) = 1÷cosA+sinA