Answer:
<u>18°</u>
Step-by-step explanation:
sin 2x=cos zy
m(2x)=72°
cos(π/2-a)=sin a
cos(π/2-72°)=sin72°
cos18°=sin72°
=>m(zy)=18°
E and pi are 2 famous examples
If I’m correct is rational
(2y)⁴
(2y)(2y)(2y)(2y)
16y⁴
Answer:
= 
Step-by-step explanation:
The n th term of a geometric sequence is
=

Substitute in values
= 320 × 
= 320 ×
=
=
= 0.625