Math, asked by pranav3910, 1 year ago

sec A - tan A÷ sec A + tan A = 1- 2 sec A tanA +2 tan^2 A

Answers

Answered by ana19
3
tanA=sin2A1+cos2A. Divide numerator and denominator with cos2A. tanA=(sin2A)/cos2A(1+cos2A)/ cos2A. tanA=tan2A1+sec2A
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