Home
Class 12
MATHS
cos(2pi/7)cos(4pi/7)*cos(6pi/7)...

`cos(2pi/7)cos(4pi/7)*cos(6pi/7)`

Promotional Banner

Similar Questions

Explore conceptually related problems

cos(pi/7)cos((2pi)/7)cos((4pi)/7)=

Prove that cos((2pi)/7)cos((4pi)/7)cos((8pi)/7)=1/8

Prove that: cos(pi/7)cos((2pi)/7)cos((4pi)/7)=-1/8

Prove that: cos(pi/7)cos(2pi/7)cos(4pi/7)=-1/8,

Show that cos(pi/7)cos((2pi)/7)cos((3pi)/7)=1/8

Find the value of 2cos^3(pi/7)-cos^2(pi/7)-cos(pi/7)

Find the value of 2cos^3(pi/7)-cos^2(pi/7)-cos(pi/7)

Find the value of 2cos^3(pi/7)-cos^2(pi/7)-cos(pi/7)

3.Prove that (i) "cos((2pi)/7)*cos((4pi)/7)*cos((8pi)/7)=1/8

Prove that : cos(pi/7)cos((2pi)/7) cos((3pi)/7)=1/8