ASin C/2
BCos C/2
Csin A/2
Dcos B/2
Answer:
Related Questions:
The value of [sin(x)+cos(x)]2[\sin(x) + \cos(x)]^2[sin(x)+cos(x)]2 is:
Find the value of cot2θ−cos2θ\sqrt{cot^2\theta-cos^2\theta}cot2θ−cos2θ.