Home
Class 12
MATHS
In any triangle, ABC prove that: ac cos ...

In any triangle, ABC prove that: `ac cos B-bc cos A=a^2-b^2`

Promotional Banner

Similar Questions

Explore conceptually related problems

In any triangle ABC, prove that : a (b cos C-c cos B) = b^2 -c^2 .

In any triangle ABC, prove that: a cos A+b cos B+c cos C=2a sin B sin C

In any triangle ABC, prove that : a (cos C - cos B) = 2 (b-c) cos^2 frac (A)(2) .

For any triangle ABC,prove that a(b cos C-c cos B)=b^(2)-c^(2)

In any triangle ABC, prove that : a (cos B + cos C) = 2 (b +c) sin^2 frac (A)(2) .

In any triangle ABC, prove that a cos A+b cos B +c cos C =(8 triangle^(2))/(abc) .

For any triangle ABC,prove that a cos A+b cos B+c cos C=2a sin B sin C

In any Delta ABC, prove that :a(b cos C-c cos B)=b^(2)-c^(2)

In any triangle ABC, prove that cos A= frac{b^2+c^2-a^2}{2bc} .

In any triangle ABC, prove that: (1+cos(A-B)cos C)/(1+cos(A-C)cos B)=(a^(2)+b^(2))/(a^(2)+c^(2))