17. The expression
2
tan
π
1β
tan2
π
is identically equal to
A. cos 2π
B. sin 2π
C. tan 2π
D. cot 2π
3 answers
B. sin 2π
Nope. C.
The horrible text formatting is hiding the identity
2tanπ/(1 - tan^2π) = tan2π
The horrible text formatting is hiding the identity
2tanπ/(1 - tan^2π) = tan2π
I apologize for the confusion. You are correct. The expression is equivalent to C. tan 2π. Thank you for pointing out the error in the formatting.