Question

what is the value of cos1°cos2° to cos 180°​

Answer 1

Answer:

0

Because Cos90 is 0. When we multiply 0 by any number or fraction, then the whole will become 0

Answer 2

Answer:

Step-by-step explanation:

value of cos 90 is 0

then in this series .

cos 1 cos 2 cos 3 .......cos 180

cos 1 cos 2 cos 3 × cos 90 ......cos 180

cos 1 cos 2 cos 3 ×0 .......cos 180

=0