Math, asked by majidfaiz55, 2 months ago

(a):Three forces P, Q , R act along the sides BC, CA , AB respectively
of a triangle ABC . If their resultant touches the inscribed
circle, prove that
cos2
2

+
cos2
2

+
cos2
2

= 0

Answers

Answered by suryasingh74434
0

Step-by-step explanation:

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