Home
Class 10
MATHS
The value of cos 1^@.cos 2^@.cos 3^@.......

The value of `cos 1^@.cos 2^@.cos 3^@............cos 180^@`=………….

A

4

B

1

C

0

D

none

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    BEYOND PUBLICATION|Exercise EXERCISE|209 Videos

  • TANGENTS AND SECANTS TO CIRCLE

    BEYOND PUBLICATION|Exercise EXERCISE|157 Videos

Similar Questions

Explore conceptually related problems

The value of cos1^@*cos2^@*cos3^@ ………….. cos180^@ = …………….

cos^(@)cos2^(@)cos3^(@).......cos179^(@)=

cos 1^(@) + cos 2^(@) + cos 3^(@) + ... + cos 179^(@)=

cos A cos 2A cos 4A .......cos^(2^(n-1))A=

The value of cos ^(2) 10^(@) - cos 10^(@) cos 50^(@) + cos ^(2) 50^(@) is equal to

The value of cos ^(2) 10^(@) cos 50^(@) + cos ^(2) 50^(@) is equal to

Let x=sin1^(@) , then the value of the expression (1)/(cos 0^(@).cos 1^(@))+(1)/(cos 1^(@).cos 2^(@))+(1)/(cos 2^(@),cos3^(@))+……..+(1)/(cos 44^(@).cos45^(@)) is equal to

cos(180-theta) = …………..