0 votes 0 votes (cos 5 ϴ — i sin 5 ϴ )$ ^2$ is same as: a. cos 10 ϴ + i sin 10 ϴ b. cos 25 ϴ - sin 25 ϴ c. (cos ϴ + i sin ϴ )$^ {-10}$ d. (cos ϴ - i sin ϴ )$^{-10}$ Linear Algebra isro-ece isro2011-ece engineering-mathematics + – sh!va asked Feb 28, 2017 • edited Mar 10, 2019 by Naveen Kumar 3 sh!va 223 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
