Home
Class 12
MATHS
[" If in a triangle "ABC,(sin A)/(4)=(si...

[" If in a triangle "ABC,(sin A)/(4)=(sin B)/(5)=(sin C)/(6)," then the "],[" value of "cos A+cos B+cos C" is equal to "]

Promotional Banner

Similar Questions

Explore conceptually related problems

If in a triangle ABC,(sin A)/(4)=(sin B)/(5)=(sin C)/(6), the value of cos A+cos B+cos C is equal to

In Delta ABC , if ( sin A)/(4) = (sin B)/(5) = (sin C)/( 6) then the value of cos A +cos B +cos C =

In triangle ABC if (sin A)/(7)=(sin B)/(6)=(sin C)/(5) show that cos A:cos B:cos C=7:19:25

If in a triangle ABC,4sin A = 4 sin B=3 sin C, then cos C=

If in a triangle ABC, 4 sin A= 4 sin B=3 sin C , the cos C=

In triangle ABC, if (2(sin B-sin C))/((cos B+cos C))=(sin A)/(1-cos A) then the value of (b)/(c). is equal to

In a triangle ABC,if (2(sin B-sin C))/(cos B+cos C)=(sin A)/(1-cos A) then the value of (b)/(c) is equal to

In a triangle ABC, if sin A sin(B-C)=sinC sin(A-B) , then prove that cos 2A,cos2B and cos 2C are in AP.