App Logo

No.1 PSC Learning App

1M+ Downloads
In any triangle ABC cos- A+B/ 2 is equal to:

ASin C/2

BCos C/2

Csin A/2

Dcos B/2

Answer:

A. Sin C/2

Read Explanation:

.


Related Questions:

what is the ratio of sides of a triangle with angle 45°, 60°, 75°

1000114722.jpg
Convert Degree to Radian: 225
A triangle is to be drawn with one side 6cm and an angle on it is 60 what should be the minimum length of the side opposite to this angle?
$cosec\theta=?$
Find the value of tan 8° tan 22° cot 60° tan 68° tan 82°