\int\frac{dx}{\cos(x+4)\cos(x+2)}=

Correct Answer is : 1sin2log|sec(x+4)sec(x+2)|+c

1/2\log |\frac{\sec(x+2)}{\sec(x+4)}|+c

1/{\sin 2}\log |\frac{\sec(x+4)}{\sec(x+2)}|+c

\log |\frac{\sec(x+4)}{\sec(x+2)}|+c

AP and TS EAMCET Engineering 2020 Model Paper 2

Question : 53 of 160

Marks: +1, -0

∫

cos(x+4)‌cos(x+2)

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