MCQOPTIONS
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MCQOPTIONS
| 1. |
The imaginary part of log sin (x + iy) is: |
| A. | tan-1 (cot x coth y) |
| B. | tan-1 (tan x tanh y) |
| C. | tan-1 (cot x tanh y) |
| D. | tan-1 (tan x coth y) |
| Answer» D. tan-1 (tan x coth y) | |