Solve for the remaining sides and angles if possible. α = 62.1°, a = 86, b = 91. Find the values of the smaller β and larger β?

Question

The values I got for the smaller Beta triangle are Beta = 46.62, Gamma= 117.90, and c=125.21 for the hypotenuse length. The values that I got for the larger Beta triangle are Beta = 46.98, Gamma= 70.92, and c=29.75 for the hypotenuse length.

? · Answer

α = 62.1°, a = 86, b = 91. 
a/sin α  = b/sin β 
91 sin 62.1° = 86 sin β
80.42/86 = sin β
0.935116 = sin(β)
The values of the smaller β and larger β:
β = 2 π n+π-sin^(-1)(233779/250000), n element Z
β = 2 π n+sin^(-1)(233779/250000), n element Z

alex · Answer

Hint:
sine rule
a/sinA=b/sinB=c/sinC

Solve for the remaining sides and angles if possible. α = 62.1°, a = 86, b = 91. Find the values of the smaller β and larger β?

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