Write 2 sin 4 θ cos 4 θ in terms of a single trigonometric function.?
whats the answer?
a. cos 4 θ
b. cos 8 θ
c. sin 4 θ
d. sin 8 θ
More Questions From This User See All
whats the answer?
a. cos 4 θ
b. cos 8 θ
c. sin 4 θ
d. sin 8 θ
Copyright © 2024 1QUIZZ.COM - All rights reserved.
Answers & Comments
Verified answer
2 sin nθ cos nθ = sin 2nθ
here n = 4
then
2 sin 4θ cos 4θ = sin 2*4 θ = sin 8θ
.. sin( 2 [4θ] ) = 2 sin[4θ] cos[4θ]
Ans: D â