Question

usr
the Demeivers therem and
simpify
[cos + 7π/13+i sin 7π/13]4
____________________
[cos4π/13-i sin 4π/13]6
​

Answer 1

Answer:

sin(π4)cos(π3)+cos(π4)sin(π3) sin ( π 4 ) cos ( π 3 ) + cos ( π 4 ) sin ( π 3 ). The exact value of sin(π4) sin ( π 4 ) is √22 2 2 . √22cos(π3)+cos(π4)sin(π3) ...