1.

Identify the prism formula from the following.

A. μ=⁡\(\frac {sin [ \frac {A – \delta_m}{2} ] }{ sin⁡(\frac {A}{2}) } \)
B. μ=⁡\(\frac {sin [ \frac {A + \delta_m}{4} ] }{ sin⁡(\frac {A}{2}) } \)
C. μ=⁡\(\frac {sin [ \frac {A + \delta_m}{2} ] }{ sin⁡(\frac {A}{2}) } \)
D. μ=⁡\(\frac {sin [ \frac {A + \delta_m}{2} ] }{ cos⁡(\frac {A}{2}) } \)
Answer» D. μ=⁡\(\frac {sin [ \frac {A + \delta_m}{2} ] }{ cos⁡(\frac {A}{2}) } \)


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