Home
Class 12
MATHS
Prove that: s in 47^0+cos 77^0=cos 17^0...

Prove that: `s in 47^0+cos 77^0=cos 17^0`

Promotional Banner

Similar Questions

Explore conceptually related problems

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

(a) Prove that sin65^(@)+cos65^(@)=sqrt(2)cos 20^(@) (b) Prove that sin47^(@)+cos77^(@)=cos17^(@)

Prove that: s in23^(0)+s in37^(0)=cos7^(0)

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

Prove that: s in40^(@)+s in20^(0)=cos10^(@)

sin47^(@)+cos77^(@)=cos17^(@)

Prove that: s in105^(@)+cos105^(0)=cos45^(@)

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

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

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