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 value of cot 35° cot 40° cot 45° cot 50° cot 55°?

If 4 cos2θ - 3 sin2θ + 2 = 0, then the value of tanθ is (where 0 ≤ θ < 90°)

A wheel makes 360 revolutions in 1 minute. Through how many radians ddoes it turn in one second .
sin A = 1/2 and cos B = 1/2 , then the value of (A+B) is
If cos A + cos B + cos C = 3, then what is the value of sin A + sin B + sin C?