Answer:
Step-by-step explanation:
(cos 4a*cos 2a+sin 4a*sin 2a)/sin 4a
=[cos (4a-2a)]/sin 4a
=(cos 2a)/sin 4a
=(cos 2a) /(2 sin 2a cos 2a)
=1/(2 sin 2a)
=1/2 csc 2a
5x+2 = 2x+17
=> 5x-2x = 17-2
=> 3x = 15
=> x = 15/3
=> x = 5
thats my answere
brainlieat me!!!thankyou
#keepitup
7600
Because it is just x 100
