Question

cos a cos 2a cos 22 a... cos (22 - 1 a) cos (27 a)
= (cos a cos 2a cos 22 a ... Cos (2m - 1 a) cos (27 a)
sin (2 a)
* cos (27" a
)
=
2 sin a
2 sin (2 a) cos (27" a)
sin (2.2 a)
27 + 1 sin a
sin (2 + 1
a)
2m + sin a
2m+
1
sin a​

Answer 1

Answer:

A computer is a machine that can be programmed to carry out sequences of arithmetic or logical operations automatically. ... A computer system is a "complete" computer that includes the hardware, operating system (main software), and peripheral equipment needed and used for "full" operation.

Sorry dear I don't know