Questions
Given that A + B = R and A = B = R. what should be the angle between A and B ?
a
0
b
π/4
c
2π/3
d
π
detailed solution
Correct option is C
R2=A2+B2+2ABcosθR2=R2+R2+2R2cosθ−R2=2R2cosθ or cosθ=−1/2or θ=2π/3Talk to our academic expert!
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