4 cos^3 15^@ - 3 cos 15^@ =...

`4 cos^3 15^@ - 3 cos 15^@ =`

4 cos^3 15^@ - 3 cos 15^@ =
Text Solution
|
Prove that: cos ((2 pi) / (15)) * cos ((4 pi) / (15)) * cos ((8 pi) / ...
Text Solution
|
Prove that cos(2pi)/(15)cos(4pi)/(15)cos(8pi)/(15)cos(14pi)/(15)=1/(16...
Text Solution
|
(cos pi) / (15) (cos (2 pi)) / (15) (cos (3 pi)) / (15) (cos (4 pi)) /...
Text Solution
|
cos(pi/15)cos((2pi)/15)cos((3pi)/15)cos((4pi)/15)cos((5pi)/15)cos((6pi...
Text Solution
|
Tests 16 (cos pi) / (15) (cos (2 pi)) / (15) (cos (4 pi)) / (15) (cos ...
Text Solution
|
The value of cos((pi)/(15))cos((2 pi)/(15))cos((4 pi)/(15))cos((8 pi)/...
Text Solution
|
What is the value of (cos15^(@)+cos45^(@))/(cos^(3)15^(@)+cos^(3)45^(...
Text Solution
|
(cos 15^(@) + cos 45^(@))/(cos^(3) 15^(2) + cos^(3) 45^(@)) का मान क्य...
Text Solution
|