Math, asked by rg1862004, 4 months ago

prove that
4 cos(2π/7) cos(π/7)-1=2 cos (2π/7)

Answers

Answered by ayushrishabh

1

Answer:

Nahi atta sorry hehehebebeh

Previous Question

Next Question

Similar questions

Math, 2 months ago

Sum of angles in a rectangle .

Science, 2 months ago

___scheme failed for want of sufficient funds...

India Languages, 2 months ago

solve this problem find odd man out ...

Physics, 4 months ago

numerical based on equation of motion...

Social Sciences, 4 months ago

कॉल सेंटर सॉफ्टवेयर विकसित करना किस देश में आता है...

Political Science, 11 months ago

What does the principle of separation of powers ensure?

Biology, 11 months ago

when air enters the lungs the lungs expand .which following centre are responsible to prevent the lungs from over inflation?

Computer Science, 11 months ago

Rohini is a environmentalists and wants to share her innovative ideas and views with people through internet.she wants that people should be able to give feedback and share their ideas with her.please suggest what she can do ...