Mark the Correct alternative in the following:
In a triangle ABC, a = 4, b = 3, ∠A = 60^o then c is a roof of the equation

We know by cosine law,

3c = c² -7

c² -3c-7=0

Option C

Question

Mark the Correct alternative in the following: In a triangle ABC, a = 4, b = 3, ∠ A = 60 o then c is a roof of the equation

Philoid · Accepted Answer

We know by cosine law,

3c = c² -7

c² -3c-7=0

Option C