Question

cos 1ᵒ cos 2ᵒ cos 3ᵒ .......cos 180ᵒ=

Answer 1

Answer:

It will be 0 cause cos 90° = 0

And whatever you multiply with it will result in 0.

Answer 2

value of equation above is 0 because in this cos 90 is also being multiplied. since value of cos 90 is 0 so whole equation becomes 0 .

=cos 1.cos 2....cos 90 ....cos 180

=cos1.cos 2 ....(0)...cos 180

= 0 answer