Math, asked by Beekeshyadav, 10 months ago

a=π/9 than prove that cos a.cos2a .cos3a. cos4a =1/16

Answers

Answered by mrunalpimpale5530

1

Answer:

?

Step-by-step explanation:

is it a question??

I don't understand it

Answered by cvansh638

0

Step-by-step explanation:

A=π/9 prove that cosA cos 2A cos3A cos 4A = 1/16

Previous Question

Next Question

Similar questions

Math, 5 months ago

(-5)⁰ = ? please anyone solve...

Chemistry, 5 months ago

Define the term Analytical chemistry...

Math, 5 months ago

12 litre 120 ml = _____ ml...

Math, 10 months ago

31. किसी वर्ग की एक भुजा पर बने वर्ग के क्षेत्रफल तथा उसी वर्ग के विकर्ण बने वर्ग का क्षेत्रफल में क्या अनुपात होगा? (b) 2:1 (d) 1:4 (a) 1:2 (c) 1:3...

Math, 10 months ago

two trains started simultaneously but in opposite direction from two stations a and b that are 1015km apart . speed of one train is less than other by 15km/h .if the speed of the slower train is 65km/h , after how many hours will they pass each other ?

Environmental Sciences, 1 year ago

Imagine you are a member of gram panchayat write and paste any five duties that you would do for the welfare of the village...

Social Sciences, 1 year ago

what are rights how can we claim a right...

English, 1 year ago

fish : water :: Lion : ?