Home
Class 12
MATHS
Prove that: cos 55^0+cos 65^0+cos 175^0=...

Prove that: `cos 55^0+cos 65^0+cos 175^0=0`

Promotional Banner

Topper's Solved these Questions

  • TRIGNOMETRIC RATIOS & IDENTITIES

    MOTION|Exercise Exercise 1|47 Videos

  • TRIGNOMETRIC RATIOS & IDENTITIES

    MOTION|Exercise Exercise 2(Level -I)|36 Videos

  • THREE DIMENSIONAL GEOMETRY (3 -D)

    MOTION|Exercise SOLVED EXAMPLE|33 Videos

  • TRIGONOMETRIC EQUATION

    MOTION|Exercise EXERCISE 4|10 Videos

Similar Questions

Explore conceptually related problems

Prove that: cos55^(@)+cos65^(0)+cos175^(0)=0

Prove that cos55^(@)+cos65^(@)+cos175^(0)=0

Prove that cos55^(@)+cos65^(@)+cos175^(0)=0

Prove that cos65^(@)+cos115^(0)=0

Prove that: 4cos12^(0)cos48^(0)cos72^(0)=cos36^(@)

Prove that: cos1052^(@)+cos15^(0)=s in75^(0)-s in15^(0)

Prove that: s in47^(0)+cos77^(0)=cos17^(0)

Prove that: cos24^(0)+cos55^(@)+cos125^(@)+cos20460+cos300^(@)=(1)/(2)

Prove that :sin51^(0)+cos81^(0)=cos21^(0)

Prove that: cos7^(0)cos14^(0)cos28^(0)cos56^(@)=(s in68^(0))/(16cos83^(@))