Evaluate: ∫tan(x – θ) tan(x + θ) tan2x dx
A. \(\frac { 1 }{ 2 }\) log|cos2x| – log|cos(x – θ)| + log|cos(x + θ)| + C
B. –\(\frac { 1 }{ 2 }\) log|cos2x| + log|cos(x – θ)| + log|cos (x + θ)| + C
C. –\(\frac { 1 }{ 2 }\) log|cos2x| – log|cos(x – θ)| – log|cos(x + θ)| + C
D. None of these
Answer:B
Evaluate: ∫tan(x – θ) tan(x + θ) tan2x dx
A. \(\frac { 1 }{ 2 }\) log|cos2x| – log|cos(x – θ)| + log|cos(x + θ)| + C B. –\(\frac { 1 }{ 2 }\) log|cos2x| + log|cos(x – θ)| + log|cos (x + θ)| + C C. –\(\frac { 1 }{ 2 }\) log|cos2x| – log|cos(x – θ)| – log|cos(x + θ)| + C D. None of these