Home
Class 11
MATHS
" If "(sin A)/(3)=(sin B)/(3)=(sin C)/(4...

" If "(sin A)/(3)=(sin B)/(3)=(sin C)/(4)" then "cos C=

Promotional Banner

Similar Questions

Explore conceptually related problems

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

If (sin A)/3 = (sin B)/3 = (sin C)/4 , then prove that, cos C=1/9 .

Theorem 3:cos A+cos B+cos C=1+4(sin A)/(2)(sin B)/(2)(sin C)/(2)

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

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

If 4sin A=4sin B=3sin C in a /_ABC, then cos A is equal to

(cos A)/(sin B sin C)+(cos B)/(sin C sin A)+(cos C)/(sin A sin B)=2

sin A + sin B-sin C = 4sin ((A) / (2)) sin ((B) / (2)) cos ((C) / (2))