Question

Which expressions are equivalent to tan(4 theta)+tan(2 theta) Check all that apply.

Answer 1

A.2 tan(6 theta) tan(2 theta)

B. 2 sin(6 theta)/cos(6 theta) +cos (2 theta)

C.-2tan(3 theta) tan(theta)

D.3 tan(2 theta)-tan^3(2 theta)/1-tan^2(2 theta)

Answer 2

@loser66

Answer 3

Can you help me with this?

Answer 4

using: \(tan(2t) = \dfrac{2tan t}{1-tan^2t}\)

Answer 5

apply for \(tan (4t)\) , what do you get?

Answer 6

Tan(4t)=4tant/1-tan^2t?

Answer 7

nope, just replace t by 2t, anything else is stayed