Math, asked by bibek854, 5 months ago

cos(2pie/7)^radian+cos(4pie/7)^radian+cos(8pie/7)^radian=-1/2

Answers

Answered by tilakpatel3c

1

Answer:

OK I will think and answer you back

Previous Question

Next Question

Similar questions

English, 2 months ago

help help help help help brainliest...

English, 2 months ago

What are Russian dolles?

Science, 2 months ago

Explain the usefulness of chemical changes in everyday life.

Math, 5 months ago

How many linear equations are satisfied by x=2 and y =14? *...

Hindi, 5 months ago

गङ्गा हिमालयात् प्रभवति । अत्र 'प्रभवति' इति पदे क: प्रत्यय: ? * 1 point प्र प्रभ पर प्रा ...

Math, 10 months ago

Shiksha has read 3/4 of book consisting of 288 pages. How many pages are still left?

Math, 10 months ago

Shri Shakti Express Departs From New Delhi With The initial Velocity Of 24m/s , In 45 Seconds , Find The Acceleration Of Shri Shakti Express......................

English, 10 months ago

comparative and superlative degree of pleasant...