Simplify: cos1∘+cos2∘+cos3∘+....+cos180∘
Hence, cos1∘+cos2∘+cos3∘+....+cos180∘=−1
cos1∘ × cos2∘ × cos3∘ ×……..× cos180∘ is equal to:
cos1∘.cos2∘.cos3∘……..cos180∘ is equal to:
The value of cos 1° cos2° cos 3° ...........cos 180° is