Which of the following expression is true if Z1, Z2 are same type of reactance?

• A. sinh⁡α/2 sin⁡β/2=0
• B. coshα/2 sin⁡β/2=0
• C. coshα/2 cos⁡β/2=0
• D. sinhα/2 cos⁡β/2=0