[" Q.19If "tan(A)/(2)=r," then the value...

[" Q.19If "tan(A)/(2)=r," then the value of "(sec A+tan A)" is equal to "],[[" (A) "(2+r)/(2-r)," (B) "(2-r)/(2+r)," (C) "(1+r)/(1-r)," (D) "(1-r)/(1+r)]]

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[" Q.19If "tan(A)/(2)=r," then the value of "(sec A+tan A)" is equal t...
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