Home
Class 11
MATHS
cos130^(@)+cos110^(@)+cos10^(@)=0...

`cos130^(@)+cos110^(@)+cos10^(@)=0`

Text Solution

Verified by Experts

The correct Answer is:
`0=RHS`

NA
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    SUBHASH PUBLICATION|Exercise Alternate Methods|12 Videos
  • SUPER MODEL QUESTION PAPER-3

    SUBHASH PUBLICATION|Exercise Point E|4 Videos

Similar Questions

Explore conceptually related problems

cos20^(@).cos40^(@).cos60^(@).cos80^(@)=1/16

cos20^(@).cos40^(@).cos60^(@).cos80^(@)=1/16

Evaluate cos1^(@)cos 2^(@)cos3^(@)cos4^(@)...cos179^(@)cos 188 .

cosA+cos(120^(@)-A)+cos(120^(@)+A)=0

cosA+cos(120^(@)-A)+cos(120^(@)+A)=0

Show that cos 36^(@) cos 54 ^(@) -sin 36^(@) sin 54^(@) =0

Prove that cos 20^@ cos 40^@ cos 60^@ cos 80^@=1/16 .

cos 20^(circ) cos 40^(circ) cos 60^(circ) cos 80^(circ)=

If sinx + sin^(2)x =1 then cos^(12)2x + 3cos^(10)x+3cos^(8)x + cos^(6)x =

cos1^(0)+cos2^(0)+cos3^(0)+ . . .+cos180^(0) =