Solve: cos1 + cos2 + cos3 + ..... + cos179
Answers
Answered by
1
Answer:
Cos 10 × cos 20 × cos 30 × ......× cos 1790
= cos 10 × cos 20 × cos 30 × .....× cos 900 × ..... × cos 1790
= cos 10 × cos 20 × cos 30 × .....× 0 × ..... × cos 1790
= 0
Answered by
1
Answer:
hope it helps you...........
Attachments:
Similar questions