MCQOPTIONS
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MCQOPTIONS
| 1. |
If x = cos-1 (cos 4) and y = sin-1 (sin 3), then which of the following conditions is true? |
| A. | tan (x – y ) = \(\tan \frac{1}{2}\) |
| B. | x + 2y = 2 |
| C. | tan (x + y) = - tan7 |
| D. | x + y + 1 = 0 |
| Answer» D. x + y + 1 = 0 | |