Question

find the value of cos 1° cos 2° cos 3° ......cos 180°

Answer 1

Ahoy,


cos1°cos2°cos3° ........ cos180°

=>cos1°cos2°cos3° .....cos90°........ cos180°

=>We know that the value of cos90° is 0

So,
cos1° cos2° ........×0× .......cos180°

=>0


Therefore the answer is 0



Cheers!

Answer 2

Because cos90=0 the answer will be zero