Math, asked by ShrutikaSansaria, 1 year ago

Prove that cos2π/7+cos4π/7+cos6π/7=-1/2

Answers

Answered by bituin

0

........................

Attachments:

Previous Question

Next Question

Similar questions

English, 8 months ago

As soon as the child heard the sound of her mother, she became excited. (Begin: No sooner…)...

Social Sciences, 8 months ago

विज्ञान और कला पर महषि पृबधंन ...

Economy, 8 months ago

18 the word statistic was used first 1 point time by ....... O Gottfried achenwall оо Yule BARON O AL Bowley...

Science, 1 year ago

show the formation of Na2O by the transfer of electrons between the combining atoms.

English, 1 year ago

What has the poet in 'Once Upon a time' forgetten and what is his desire?

Political Science, 1 year ago

After which important historical event did the american make their constitution...

Science, 1 year ago

How can we demonstrate that sugar and salt have different solubilities in water...

CBSE BOARD X, 1 year ago

Your friend ordered too much food in restaurants. Discuss how we pescured them...